A heptagon has angles measure of 105°, 141°, 132°, 109°, 143° and 131°. What is the measure of the seventh angle?

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asked Apr 20, 2023 198k views

1 Answer

Will Charlton · Answer 1 · 2023-04-26T02:54:33+0000

Answer : 139

The interior angle sum of a heptagon adds upto 900

So add all those angles and subtract their sum from 900

The answer will be 139

Hope this helps

A heptagon has angles measure of 105°, 141°, 132°, 109°, 143° and 131°. What is the measure of the seventh angle?

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