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The interior angles formed by the sides of a quadrilateral have measures that sum to 360°. What is the value of x? Enter your answer in the box.
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5 votes
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.

What is the value of x?



Enter your answer in the box.

The interior angles formed by the sides of a quadrilateral have measures that sum-example-1
User Adam Speight
by
7.7k points

2 Answers

5 votes
X=28
Because the sum is 360° so 124 +124=248
So 360-248=112
Then 112÷4=28
So 28×2=56 28×2 =56
56+56=112


User Sergey Kritskiy
by
8.2k points
4 votes
the sum is 360 degrees, which means
360 = 124 + 124 + 2x + 2x
360 = 248 + 4x
-4x = 248 - 360
-4x = -112
x = 28
Check:
124 + 124 + 2(28) + 2(28) =
360
Your answer is x = 28
let me know if you have any questions
:)

User ALollz
by
7.9k points
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