40,948 views
14 votes
14 votes
Are the angle measurements in this triangle correct?

A. Yes, the angle measurements shown are correct.
B. No, the base angles should be 35 degrees.
C. No, the top angle should be 140 degrees.
D. No, the top angle should be 120 degrees.

Are the angle measurements in this triangle correct? A. Yes, the angle measurements-example-1
User Jason Pather
by
2.5k points

2 Answers

10 votes
10 votes
D. In math a triangle add up to 180 degrees.

This equation is 190 degrees not 180. Simply add 30+30+130. You will get 190. But if you do 120 degrees you will get 180.

30+30+120= 180.

User Vietean
by
3.0k points
19 votes
19 votes
the answer is D: No, the top angle should be 120 degrees

because they need to add up to 180
User Slowkoni
by
3.3k points