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
11 months 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.