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german
2 years ago
11

How to get x and what the answer is.

Mathematics
1 answer:
andrezito [222]2 years ago
4 0

sum of interior angle =n-2(180)

n is the number angles

5-2(180)

3(180)

=540

x=102+116+123+88=429

540-429=111

x=111

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