120k views
0 votes
If triangle ABC is isosceles, what is the value of ∠A?

A. 68°
B. 78°
C. 58°
D. 102

User JohnnyC
by
8.2k points

1 Answer

4 votes

180-78= 102

102/2= 51

180-51-51= 78

The final answer is B) 78 degrees.

User Antonio Petricca
by
9.0k points

Related questions

1 answer
4 votes
16.5k views
1 answer
5 votes
185k views
asked Jun 15, 2019 169k views
Juanker asked Jun 15, 2019
by Juanker
8.6k points
1 answer
2 votes
169k views