217,678 views
34 votes
34 votes
Hs math need help on triangle

A 100 , 100 , 160

B 100 , 100 , 100

C 100 , 60 , 20

D 100 , 40 , 40

Hs math need help on triangle A 100 , 100 , 160 B 100 , 100 , 100 C 100 , 60 , 20 D-example-1
User Oleksandr Nahirniak
by
2.4k points

2 Answers

20 votes
20 votes

Let other two angles be x


\\ \tt\Rrightarrow x+x+100=180


\\ \tt\Rrightarrow 2x+100=180


\\ \tt\Rrightarrow 2x=80


\\ \tt\Rrightarrow x=40

Option D is correct

User JGV
by
2.8k points
21 votes
21 votes

Answer:

  • Option D.

Explanation:

It must be option D because an isosceles triangle always have two angles the same measure and must be a total of 180°.

Hoped this helped.


BrainiacUser1357

User James Atwood
by
3.0k points
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