Question

please solve this.

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Answer 1

A. 2x +2x+x+3x+4x=360

12x=360

x= 30°

angles are 60°,60°,30°,90°,120°

B. x+x+2x=180

4x=180

x= 45°

Angles are 45°,45°,90°

Hope it helps you

Answer 2

Step-by-step explanation:

1...

$4x + 4x + 4x = 360 \\ \\ 12x = 360 \\ \\ x = 4$

2..

$2x + 2x = 180 \\ by \: linear \: pair \\ \\ 4x = 180 \\ \\ x = 45$