For each question answer TRUE or FALSE. If FALSE, explain. 1. If the base angles

Question

For each question answer TRUE or FALSE. If FALSE, explain.

1. If the base angles of an isosceles triangle each measure 21°, then the vertex angle measures 138°.

2. It is possible to construct a triangle from sides of lengths 15cm, 22cm, and 7cm.

3. AAA and SAS are two shortcuts for showing that two triangles are congruent.

4. If BOY   GRL then OY   RG

5. For ABC if mA = 83°, mB = 57°, and mC = 40°, then AB has the longest side.

6. In an equilateral triangle, the bisector of an angle is also the altitude to the side opposite the angle.

Explanation / Answer

1) True

2) True

4) False. it should be OY   RL not OY RG

5) False. Since Opposite side of highest angle is longest.

and Opposite side of smallest angle is shortest.

BC is longest side. and AB is shortest side

6) True

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