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Amanda [17]
3 years ago
7

Find the value of X

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0
<h3>Answer:</h3>

116

<h3>Step-by-step explanation:</h3>

The sum of angles of a 7-sided polygon is (7 -2)·180° = 900°. So, you need to choose x to make it so.

108° +101° +146° +137° +153° +139° +x° = 900°

x° = 900° -784° . . . . subtract 784°

x° = 116°

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