Question

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Answer 1

Answer:

Step-by-step explanation

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Answer 2

HERE IS YOUR ANSWER MATE:-

a) 50° +130° + 120°+ x = 360°

300°+ x= 360

x= 60°

b) 90° + 70° +60° +x = 360°

220° +x = 360°

x= 140°

C) Here, It's a Pentagon.

Linear pairs:-

70° + a= 180° and 60°+ b = 180°

Thus, a= 110° and b= 120°

Now,

a+ b+x+x+ 30° =540°

110°+120°+2x+30°= 540°

2x= 540°°-260°

2x= 280°

x= 140°

d) In a Pentagon all angles(interiors) are equal to 108°.

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