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Bad White [126]
3 years ago
11

The sum of all but one interior angle of a heptagon is 776°. The final angle must have a measure of

Mathematics
2 answers:
Irina18 [472]3 years ago
7 0

Answer:

The final angle must have a measure of  124 degrees.

Step-by-step explanation:

Heptagon is polygon with seven sides.

Sum of angles of heptagon = 900°

Given:Sum of all angles and one interior angle of a heptagon is 776°.

Let the measure of interior angle be x

776° + ∠x = 900°

∠x = 900° - 776° = 124°

The final angle must have a measure of  124 degrees.

shutvik [7]3 years ago
5 0
A heptagon has 7 sides.

Sum of all interior angles = (7 - 2) x 180 = 900°

900 - 776 = 124°

Answer: The final angle must be 124°
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