13.0k views
9 votes
Please help me

For problems 8-10, find the measures of the unknown third angles.​

Please help me For problems 8-10, find the measures of the unknown third angles.​-example-1

2 Answers

7 votes

Answer:

8=58.5°

9= 125°

10= 55°

Explanation:

8.) 31.5 + 90 = 121.5 - 180 = 58.5°

9.) 25 + 30 = 55 - 180 = 125°

10.) 45 + 80 = 125 - 180 = 55°

User Vamshi Vangapally
by
5.0k points
4 votes

Answer:

8=58.5 9=125 10=55

Explanation:

a triangle equals 180. so by add the angles we do know than subtracting the answer from 180. is our final answer

User Steve Bourne
by
5.2k points