A stop sign is a regular octagon with a 15 inches radius. The area should be rounded to the nearest square inch.

Question

 for school projct, taking regular stop sign and scaling it by 1/2

Answer 1

Make a model drawing of this stop sign. Label what you know, and you should be able to calculate the desired area, based on adding the areas of eight isosceles triangles, each of which has two legs measuring 15 inches and a vertex angle of 45 degrees.