185,213 views
8 votes
8 votes
Can anyone help me? I'm pretty puzzled

Can anyone help me? I'm pretty puzzled-example-1
User R Earle Harris
by
2.6k points

1 Answer

12 votes
12 votes

Angle 1 + Angle 2 = 180°

(7x)° + (x + 20)° = 180°

(8x + 20)° = 180°

8x = 180 - 20

8x = 160

x = 160/8

x = 20

7(20) = 140° and 20 + 20 = 40°

Answer: 40° and 140°

User Gary Riley
by
3.1k points
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