2 years ago

Please help w/ this question image attached

2 answers:

7 0

The interior angle sum is (n-2) *180
where n= number of sides

The current angles add up to 620 therefore x must be 100 to make the angle sum 720.

Nonamiya [84]2 years ago

6 0

The total of the inside angles for a 6 sides shape is 720 degrees.

Find the total of the known angles and subtract the from 720:

130 + 120 + 145 + 160 + 65 = 620

X = 720 - 620

X = 100

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