Answered

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Sagot :

Sooreidn

Answer:

A cheerful teen willing to help,

stay salty...

Explanation:

Angles in a heptagon equals 900°

i.e (n-2)×180 where n is substituted for the number of sides.

Find the sum of the remaining angles and subtract it from 900°

120+125+138+82+95+3x+x=900°

560°+4x=900°

4x=900°-560°

4x=340°

Divide both sides by 4

x=85°

while 3x= 255°

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