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3 years ago

the sum of all but one interior angle of a heptagon is 776°. what is the measure of the final interior angle?

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

6 0

Answer:

The final interior angle = 124°

Step-by-step explanation:

A heptagon has 7 sides. The sum of the interior angles formula:

The sum of the interior angles = (n - 2)180 where n = number of sides.

The sum of the interior angles= (7 - 2)180° = 900°

Six interior angles = 776°.

The final interior angle + six interior angle = 900°

The final interior angle + 776° = 900°

The final interior angle = 900° - 776°

The final interior angle = 124°

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