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3 years ago

7

Find the value of X. 87° 92° 105 135

1 answer:

Makovka662 [10]3 years ago

7 0

Answer:

121°

Step-by-step explanation:

Sum of angles in a pentagon = ( n-2) 180

(5-2)180

=3x180

=540°

X+87+92+105+135=540

X+419=540

X=540-419

X=121°

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