Question

please answer these questions
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Answer 1

Answer:

1. Sum of all angles of quadilater is 360°

a++c+d=360

87+89+142+x=360

318+ x=360

x=360- 318

x=42

2. Sum of all angles of pentagon is 540

90+137+x+120+158=540

505+x=540

x=540-505

x=35

3.Sum of all angles of hexagon is 720

x+x+x+x+x+x=720

6x=720

x=720/6

x=120

Hope's it helps you.

Answer 2

Answer:

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