P Preliminary Concepts 1 Line And Angle Relationships 2 Parallel Lines 3 Triangles 4 Quadrilaterals 5 Similar Triangles 6 Circles 7 Locus And Concurrence 8 Areas Of Polygons And Circles 9 Surfaces And Solids 10 Analytic Geometry 11 Introduction To Trigonometry A Appendix ChapterP: Preliminary Concepts
P.1 Sets And Geometry P.2 Statements And Reasoning P.3 Informal Geometry And Measurement P.CR Review Exercises P.CT Test SectionP.3: Informal Geometry And Measurement
Problem 1E: If line segment AB and line segment CD are drawn to scale, what does intuition tell you about the... Problem 2E: If angles ABC and DEF were measured with a protractor, what does intuition tell you about the degree... Problem 3E: How many endpoints does a line segment have? How many midpoints does a line segment have? Problem 4E: Do the points A, B, and C appear to be collinear? Problem 5E: How many lines can be drawn that contain both points A and B? How many lines can be drawn that... Problem 6E: Consider noncollinear points A, B, and C. If each line must contain two of the points, what is the... Problem 7E: Name all the angles in the figure. Problem 8E: Which of the following measures can an angle have? 23, 90, 200, 110.5, -15 Problem 9E: Must two different points be collinear? Must three or more points be collinear? Can three or more... Problem 10E: Which symbols correctly expresses the order in which the points A, B and X lie on the given line,... Problem 11E: Which symbols correctly name the angle shown?ABC, ACB, CBA Problem 12E: A triangle is named ABC. Can it also be named ACB? Can it be named BAC? Problem 13E: Consider rectangle MNQ. Can it also be named rectangle PQMN? Can it be named rectangle MNQP? Problem 14E: Suppose ABC and DEF have the same measure. Which statements are expressed correctly? a mABC=mDEF b... Problem 15E: Suppose AB and CD have the same length. Which statements are expressed correctly? a AB=CD b AB=CD c... Problem 16E: When two lines cross intersect, they have exactly one point in common. In the drawing, what is the... Problem 17E: Judging from the ruler shown not to scale, estimate the measure of each line segment. a AB b CD Problem 18E: Judging from the ruler, estimate the measure of each line segment. a EF b GH Problem 19E: Judging from the protractor provided, estimate the measure of each angle to the nearest multiple of... Problem 20E: Using the drawing for Exercise 19, estimate the measure of each angle to the nearest multiple of 5... Problem 21E: Consider the square at the right, RSTV. It has four right angles and four sides of the same length.... Problem 22E: Square RSTV has diagonals RT and SV not shown. If the diagonals are drawn, how will their lengths... Problem 23E: Use a compass to draw a circle. Draw a radius, a line segment that connects the center to a point on... Problem 24E: Use a compass to draw a circle of radius 1 inch. Draw a chord, a line segment that joins two points... Problem 25E: The sides of the pair of angles are parallel. Are 1 and 2 congruent? Problem 26E: The sides of the pair of angles are parallel. Are 3 and 4 congruent? Problem 27E: The sides of the pair of angles are perpendicular. Are 5 and 6 congruent? Problem 28E: The sides of the pair of angles are perpendicular. Are 7 and 8 congruent? Problem 29E: On a piece of paper, use your compass to construct a triangle that has two sides of the same length.... Problem 30E: On a piece of paper, use your protractor to draw a triangle that has two angles of the same measure.... Problem 31E: A trapezoid is a four-sided figure that contains one pair of parallel sides. Which sides of the... Problem 32E: In the rectangle shown, what is true of the lengths of each pair of opposite sides? Problem 33E Problem 34E: An angle is bisected if its two parts have the same measure. Use three letters to name the angle... Problem 35E Problem 36E Problem 37E Problem 38E Problem 39E: ABC is straight angle. Using your protractor, you can show that m1+m2=180.Find m1 if m2=56. Problem 40E Problem 41E: In Exercises 41 to 44,m1+m2=mABC. Find mABC if m1=42 and m2=29. Problem 42E: In Exercises 41 to 44,m1+m2=mABC. Find m1 if mABC=68 and m1=m2. Problem 43E: In Exercises 41 to 44,m1+m2=mABC. Find x if m2=x, m1=2x+3, and mABC=72. Problem 44E Problem 45E: A compass was used to mark off three congruent segment, AB, BC, and CD. Thus, AD has been trisected... Problem 46E: Use your compass and straightedge to bisect EF. Problem 47E: In the figure, m1=x and m2=y. If x-y=24, find x and y. HINT: m1+m2=180. Problem 48E: In the drawing, m1=x and m2=y. If mRSV=67 and x-y=17, find x and y. (HINT: m1+m2=mRSV). Problem 49E: For Exercises 49 to 50, use the following information. Relative to its point departure or some other... Problem 50E: For Exercises 49 to 50, use the following information. Relative to its point departure or some other... Problem 40E
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Name each angle in four ways
Transcribed Image Text: Name each angle in four ways.
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Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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