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A) Find the value of x. b) Find the value of the exterior angle that is adjacent to the interior angle x + 20°.
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A) Find the value of x.

b) Find the value of the exterior angle that is adjacent to the interior angle x + 20°.

A) Find the value of x. b) Find the value of the exterior angle that is adjacent to-example-1
User Mu Is Too Short
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1 Answer

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It is a pentagon. The sum of all angles of pentagon is 540°.

A)
(x+10)+(2x-10)+(x-25)+(x+20)+(x-13)=540

x=93

B) x+20 = 93+20 = 113°. The adjacent exterior angle is 180 - 113 = 67°
User Bhabishya Kumar
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