Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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Chapter P.1, Problem 11E
For the sets gives in Exercise 9, is there a “distributive relationship for union with respect with respect in intersection”? That is does
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Proof: LN⎯⎯⎯⎯⎯LN¯ divides quadrilateral KLMN into two triangles. The sum of the angle measures in each triangle is ˚, so the sum of the angle measures for both triangles is ˚. So, m∠K+m∠L+m∠M+m∠N=m∠K+m∠L+m∠M+m∠N=˚. Because ∠K≅∠M∠K≅∠M and ∠N≅∠L, m∠K=m∠M∠N≅∠L, m∠K=m∠M and m∠N=m∠Lm∠N=m∠L by the definition of congruence. By the Substitution Property of Equality, m∠K+m∠L+m∠K+m∠L=m∠K+m∠L+m∠K+m∠L=°,°, so (m∠K)+ m∠K+ (m∠L)= m∠L= ˚. Dividing each side by gives m∠K+m∠L=m∠K+m∠L= °.°. The consecutive angles are supplementary, so KN⎯⎯⎯⎯⎯⎯∥LM⎯⎯⎯⎯⎯⎯KN¯∥LM¯ by the Converse of the Consecutive Interior Angles Theorem. Likewise, (m∠K)+m∠K+ (m∠N)=m∠N= ˚, or m∠K+m∠N=m∠K+m∠N= ˚. So these consecutive angles are supplementary and KL⎯⎯⎯⎯⎯∥NM⎯⎯⎯⎯⎯⎯KL¯∥NM¯ by the Converse of the Consecutive Interior Angles Theorem. Opposite sides are parallel, so quadrilateral KLMN is a parallelogram.
Quadrilateral BCDE is similar to quadrilateral FGHI. Find the measure of side FG. Round your answer to the nearest tenth if necessary.
BCDEFGHI2737.55
An angle measures 70.6° more than the measure of its supplementary angle. What is the measure of each angle?
Chapter P Solutions
Elementary Geometry For College Students, 7e
Ch. P.1 - Is the set named empty, finite, or infinite? a...Ch. P.1 - Prob. 2ECh. P.1 - Where possible, use the symbol to join the two...Ch. P.1 - Where possible, use the symbol to join the two...Ch. P.1 - Which type of path straight, curved, circular, or...Ch. P.1 - Which type of path straight, curved, circular or...Ch. P.1 - Let A, B, and C lie on a straight line as shown...Ch. P.1 - Let A, B, and C lie on a straight line as shown....Ch. P.1 - Prob. 9ECh. P.1 - Consider sets A, B, and C from Exercise 9. Find: a...
Ch. P.1 - For the sets gives in Exercise 9, is there a...Ch. P.1 - For the sets given in Exercise 9, is there a...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - Prob. 16ECh. P.1 - Use the angle symbol and three letters to name...Ch. P.1 - Use the angle symbol and three letters to name...Ch. P.1 - What relationship subset, intersect, disjoint, or...Ch. P.1 - What relationship subset, intersect, disjoint, or...Ch. P.1 - If A=1,2,3,4 and B=2,4,6,8, find: a NA b NB c NAB...Ch. P.1 - If A=vowels and B=lettersinthewordspare, find: a...Ch. P.1 - Find a universe for the set...Ch. P.1 - Find a universe for the set...Ch. P.1 - Where P=1,3,5,7,9 and U=1,2,3,4,5,6,7,8,9, find...Ch. P.1 - Where C=consonants and U=26lettersofthealphabet,...Ch. P.1 - With P and Q sublets of U as shown, shade ~PQ.Ch. P.1 - With P and Q subsets of U as shown, shade ~PQ.Ch. P.1 - The figures below are triangle. Find: N{sides in a...Ch. P.1 - The figures below are quadrilaterals. Find:...Ch. P.1 - If NA=3 and NB=5, what is: a the smallest number...Ch. P.1 - If NA=3 and NB=5, what is: a the largest number...Ch. P.1 - Prob. 33ECh. P.1 - Prob. 34ECh. P.1 - Prob. 35ECh. P.1 - Prob. 36ECh. P.1 - Prob. 37ECh. P.1 - Prob. 38ECh. P.2 - In Exercises 1 and 2, which sentences are...Ch. P.2 - In Exercises 1 and 2, which sentences are...Ch. P.2 - In Exercises 3 and 4, give the negation of each...Ch. P.2 - In Exercises 3 and 4, give the negation of each...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - Prob. 14ECh. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - Prob. 32ECh. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - Prob. 34ECh. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - Prob. 37ECh. P.2 - In Exercises 37 to 40, use induction to state a...Ch. P.2 - Prob. 39ECh. P.2 - In Exercises 37 to 40, use induction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - Prob. 47ECh. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 55 and 56, P is a true statement,...Ch. P.2 - In Exercises 55 and 56, P is a true statement,...Ch. P.3 - If line segment AB and line segment CD are drawn...Ch. P.3 - If angles ABC and DEF were measured with a...Ch. P.3 - How many endpoints does a line segment have? How...Ch. P.3 - Do the points A, B, and C appear to be collinear?Ch. P.3 - How many lines can be drawn that contain both...Ch. P.3 - Consider noncollinear points A, B, and C. If each...Ch. P.3 - Name all the angles in the figure.Ch. P.3 - Which of the following measures can an angle have?...Ch. P.3 - Must two different points be collinear? Must three...Ch. P.3 - Which symbols correctly expresses the order in...Ch. P.3 - Which symbols correctly name the angle shown?ABC,...Ch. P.3 - A triangle is named ABC. Can it also be named ACB?...Ch. P.3 - Consider rectangle MNQ. Can it also be named...Ch. P.3 - Suppose ABC and DEF have the same measure. Which...Ch. P.3 - Suppose AB and CD have the same length. Which...Ch. P.3 - When two lines cross intersect, they have exactly...Ch. P.3 - Judging from the ruler shown not to scale,...Ch. P.3 - Judging from the ruler, estimate the measure of...Ch. P.3 - Judging from the protractor provided, estimate the...Ch. P.3 - Using the drawing for Exercise 19, estimate the...Ch. P.3 - Consider the square at the right, RSTV. It has...Ch. P.3 - Square RSTV has diagonals RT and SV not shown. If...Ch. P.3 - Use a compass to draw a circle. Draw a radius, a...Ch. P.3 - Use a compass to draw a circle of radius 1 inch....Ch. P.3 - The sides of the pair of angles are parallel. Are...Ch. P.3 - The sides of the pair of angles are parallel. Are...Ch. P.3 - The sides of the pair of angles are perpendicular....Ch. P.3 - The sides of the pair of angles are perpendicular....Ch. P.3 - On a piece of paper, use your compass to construct...Ch. P.3 - On a piece of paper, use your protractor to draw a...Ch. P.3 - A trapezoid is a four-sided figure that contains...Ch. P.3 - In the rectangle shown, what is true of the...Ch. P.3 - Prob. 33ECh. P.3 - An angle is bisected if its two parts have the...Ch. P.3 - Prob. 35ECh. P.3 - Prob. 36ECh. P.3 - Prob. 37ECh. P.3 - Prob. 38ECh. P.3 - ABC is straight angle. Using your protractor, you...Ch. P.3 - Prob. 40ECh. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find mABC if...Ch. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find m1 if...Ch. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find x if m2=x,...Ch. P.3 - Prob. 44ECh. P.3 - A compass was used to mark off three congruent...Ch. P.3 - Use your compass and straightedge to bisect EF.Ch. P.3 - In the figure, m1=x and m2=y. If x-y=24, find x...Ch. P.3 - In the drawing, m1=x and m2=y. If mRSV=67 and...Ch. P.3 - For Exercises 49 to 50, use the following...Ch. P.3 - For Exercises 49 to 50, use the following...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - Prob. 4CRCh. P.CR - Prob. 5CRCh. P.CR - Prob. 6CRCh. P.CR - Prob. 7CRCh. P.CR - Prob. 8CRCh. P.CR - Find: Npositiveoddintegerslessthan20Ch. P.CR - Find: Nsides of a triangle Nsides of a...Ch. P.CR - Prob. 11CRCh. P.CR - If NAB=69,NA=35, and NB=47, find NAB.Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - Prob. 14CRCh. P.CR - Prob. 15CRCh. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 19 and 20, statements P and Q...Ch. P.CR - Prob. 20CRCh. P.CR - Prob. 21CRCh. P.CR - Prob. 22CRCh. P.CR - Prob. 23CRCh. P.CR - Prob. 24CRCh. P.CR - Prob. 25CRCh. P.CR - Prob. 26CRCh. P.CR - Prob. 27CRCh. P.CR - Prob. 28CRCh. P.CR - Prob. 29CRCh. P.CR - Prob. 30CRCh. P.CR - Prob. 31CRCh. P.CR - Prob. 32CRCh. P.CR - Given that ABCD is a square, use intuition to draw...Ch. P.CR - Given that AB=AC in triangle ABC, use intuition to...Ch. P.CR - Prob. 35CRCh. P.CR - Prob. 36CRCh. P.CR - Prob. 37CRCh. P.CR - Prob. 38CRCh. P.CR - In the figure, A-B-C. If AB=x, BC=x+7, and AC=4x-3...Ch. P.CR - In the figure, mABD=31 and mDBC=26. Find mABC.Ch. P.CR - In the figure, mABC=63 and mABD=39. Find mDBC.Ch. P.CR - In the figure, mABD=2y+7, mDBC=y+10 and mABC=62....Ch. P.CR - In the figure, mABD=x+5, mDBC=2x-26. If BD bisects...Ch. P.CT - Prob. 1CTCh. P.CT - For Exercises 1 and 2, let...Ch. P.CT - Give another name for: a)ABb)ABCCh. P.CT - If N{A}=31,N{B}=47,N{AB}=17,findN{AB}.Ch. P.CT - At Rosemont High School, 14 players are on the...Ch. P.CT - Name the type of reasoning used in the following...Ch. P.CT - For Exercises 7 and 8, state a conclusion when...Ch. P.CT - For Exercises 7 and 8, state a conclusion when...Ch. P.CT - Prob. 9CTCh. P.CT - Statement P and Q are true while R is a false...Ch. P.CT - For Exercises 11 and 12, use the drawing provided....Ch. P.CT - For Exercises 11 and 12, use the drawing provided....Ch. P.CT - Use the protractor with measures as indicted to...Ch. P.CT - Prob. 14CTCh. P.CT - a Which of these (AB,AB,orAB) represents the...Ch. P.CT - Let P represent any statement. Classify as true or...Ch. P.CT - Prob. 17CTCh. P.CT - Given rhombus ABCD, use intuition to draw a...Ch. P.CT - For ABC not shown, ray BD is the bisector of the...Ch. P.CT - In the figure shown, CD bisects AB at point M so...
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