Properties of Triangles
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High School Geometry
High School Geometry
Math

 Name _____________________________ Date ___________________ (Key 1 - Answer ID # 0485345)
1.

and are angle bisectors. If mA = 76, find the measure of BPC.

2.

If kn, ABC is an isosceles, m1 = 4x and m2 = (90 -x), find the measure of mBAC.

3.

Which of the following statements is NOT correct?
 In an isosceles triangle, the altitude to the base bisects the base and the vertex angle. The shortest distance from a vertex to the opposite side is the altitude to that side. The circumcenter of a triangle is always inside the triangle. An equilateral triangle is also an equiangular triangle.

4.

In ABC, is the perpendicular bisector of and D lies on . Which statement(s) must be true?
(I) ABD ACD
(II) ABC is equilateral.
(III) is the bisector of BAC.
 I and III only II only I only III only I, II, and III

5.

and bisect ADE and CED respectively. If mCED = 113 and mDFE = 71, find mABF.

6.

In ABC, and bisects BAC, mB = 66, and mC = 36. Find mDAE.

Properties of Triangles
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