What is the measure of the vertex angle of an isosceles triangle if the measure of one of its base angles is 42°? A) 96° B) 138 C) 69 D) 84

asked Sep 10, 2021 106k views

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What is the measure of the vertex angle of an isosceles

triangle if the measure of one of its base angles is 42°?
A) 96°
B) 138
C) 69
D) 84

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1 vote

Answer:

Explanation:

M B answered Sep 10, 2021

by M B

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4 votes

Answer:

A) 96

Explanation:

The 2 base angles are both 42* thus adding up to 84*. 180-84=96

You are welcome.

Vugluskr answered Sep 16, 2021

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