140k views
8 votes
Find the value of x.
143
2x° 152
116°
to
1259
140°
139°

Find the value of x. 143 2x° 152 116° to 1259 140° 139°-example-1
User Izalion
by
8.2k points

1 Answer

7 votes

Answer:85 degrees

Explanation:

Formula for sum of interior angles is (n-2)180. Since there are 7 sides, n-2 is 5.

5 x 180 = 900

Add all the angles given and subtract sum from 900 and you are left with 85 for the missing angle.

User Vfedorkov
by
8.2k points
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