A stop sign is in the shape of a regular octagon. A regular octagon can be created using eight triangles

A stop sign is in the shape of a regular octagon. A regular octagon can be created using eight triangles of equal area. One triangle that makes up the stop sign has a base of 15 inches and a height of 18 inches. Calculate the area of the stop sign.

a.
1000 sq. in
c.
980 sq.in
b.
1080 sq. in
d.
1200 sq. in

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