reagan is building a picture frame for a gift. he plans to make it an octagon with equal angles. to what angle should reagan saw his boards to complete the project

2 years ago

Answered By Becky L

To calculate the sum of interior angles, we use the formula below:

(n-2) x 180^{o }, where n is the no. of sides of a given polygon.

Octagon has 8 sides and 8 angles. The sum of the interior angles is (8 - 2) x 180^{o} = 1080^{o}. So each angle of an octagon is 1080^{o}/8 = 135^{o}.

2 years ago

## Answered By Becky L

To calculate the sum of interior angles, we use the formula below:

(n-2) x 180

^{o }, where n is the no. of sides of a given polygon.Octagon has 8 sides and 8 angles. The sum of the interior angles is (8 - 2) x 180

^{o}= 1080^{o}. So each angle of an octagon is 1080^{o}/8 = 135^{o}.