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
To calculate the sum of interior angles, we use the formula below:
(n-2) x 180o , 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 180o = 1080o. So each angle of an octagon is 1080o/8 = 135o.