No three of the points A, B, C, D are collinear. Prove that the angle between the circumcircles of triangles ABC and ABD is the same as the angle between the circumcircles of triangles ACD and BCD.

Q: 2. In a quadrilateral ABCD, ZA = 72° and 2C is the supplementary of ZA. The other two angles are…

A:

Q: 1). In Parallelogram PSRQ. Side PS = -1 + 4x and side RQ = 3x + 3, then how long is side RQ? 2).…

A: 1) In a parallelogram opposite sides are equal:So,…

Q: Suppose that Tis a point on side PQ of APQR. Also, RT bisects ZPRQ, and ZP = 2Q. If Z1 and 2 are the…

A: Consider triangle PQR, As RT bisect angle R, ∠PRT=∠QRT Given that ∠P=∠Q ∠RTP=∠1∠RTQ=∠2

Q: quadrilateral

A:

Q: Han wrote a proof that triangle BCD is congruent to triangle DAB. Han's proof is incomplete. How can…

A: The figure drawn by Han would look like,

Q: A triangle has angles with measurements 2x + 3, 4x - 10, and 5x - 11. Classify the triangle based on…

A: Sum of all angles in a triangle is 180.

Q: Given right triangle ABC with its right angle at vertex C. Let side BC = a, CA b, and AB c. Use…

A: Stewart's theorem provided the relation between the lengths of the sides of a triangle and the…

Q: Q7. In a triangle ABC, find remaining sides and angles.i) b = 56’, c = 24’, A = 70°,ii) c=5’ , B=…

A: As two sides ans one angle of the triangle ABC are given. To find the remaining Angles and sides,…

Q: Draw three noncollinear points R, S, and T. Construct a triangle whosesides have R, S, and T as…

A: Draw three non-collinear points R, S, and T.

Q: B R X N G

A:

Q: Consider a triangle whose shortest sides have lengths 9 and 12. The longest side of the triangle has…

A: As per question given triangle is right angle triangle  Longest side of right angle  triangle is…

Q: 1) a.B 2) à xB 3) The angle between å and b 4) Projąb

A: To find dot product of a and b vector-

Q: Find the angle #2 and # 5 when angle #= 48 Bisector 2 3 48 4 10 ग

A:

Q: The altitudes of a triangle ABC intersect at a point H. Let O, be the circumcenter of the A triangle…

A: Given ABC be a triangle, and H be the altitude that intersect to the triangle.Draw the circumcenter…

Q: Find a positive angle and a negative angle that is coterminal to the given angle, -5/4π.   Answer…

A: For a positive angle add 360 and for negative angle subtract 360

Q: AIs it possible for an equilateral triangle to have an angle measure other than 60°? Explain how you…

A: No.    In an equilateral triangle, all the sides are equal. If we use the longest side theorem which…

Q: Given points P(5, 2, -1), Q(2, -3, 0), T(4, 2, 4) foms the triangle. Find the interior angle at Q

A:

Q: Find the measure of angle ZB

A:

Q: CONSTRUCT EQUILATERAL TRIANGLE UPON AB AS THE BASE. At

A: According to question given thatAB is the base of the equilateral triangle and we have to construct…

Q: 5. Two M16 rifles are stocked to the ground. The first rifle is 39" in length while the other is…

A: We can use law of cosine to solve the problem

Q: Suppose AABC is a triangle in the Euclidean plane and D is the point such that B*C*D and AD bisects…

A: Given:  AB=9AC=6CD=12 B*C*D means points B, C, Dare distinct and they lie on the same line.  B*C*D…

Q: eference, AO is perpendicular to the plane of AOBC and |AO| = 2. Then find the cosine of the angl…

A:

Q: For the asa postulate to apply, which side of the triangle must be known

A: We have to write about asa postulate

Q: 5) Name two pairs of congruent angles. 7. 券 C D.

A: Segment of a circle :  It is defined as the region bounded by a chord of a circle  & its…

Q: 2. Five exterior angles of a pentagon are 2x– 20, 2x + 50, 3x + 10, 3x and 50°. a) Find the value of…

A:

Q: 4. Navigation a) A sailboat is 7 miles offshore directly east of Marina A. Marina B is directly…

A: Given that the sailboat is 7 miles offshore directly east of Marina A and Marina B is directly north…

Q: ) Explain why the triangles are congruent.

A: From both the triangles  m∠A=m∠Dm∠B=m∠ESo angles A  and D  are congruentangles B   and E  are…