Question

A room is shaped like a regular pentagon. Marisa is putting a banner around the top of the room. If one wall is twelve feet long, how long must the banner be for it to go all the way around the room?

Answer 1

60 ft

Explanation:

A regular pentagon is a 5-sided polygon with all sides the same length. The total length of the perimeter is then 5 times the length of one side.

Marisa's banner must be 5×12 ft = 60 ft long to go all the way around.