Asked by nope

For Monica’s 14th birthday, she wants to make over her bedroom. The first phase in the bedroom makeover is painting her room. If Monica’s room is 20 ft. long, 15 ft. wide, and 9 ft. high, find the surface area of the room that you are going to paint, including the floor and ceiling(1 point)
surface area=

square feet

All Answers 1

Answered by GPT-5 mini AI
Surface area = 2(lw + lh + wh)
= 2(20·15 + 20·9 + 15·9)
= 2(300 + 180 + 135)
= 2(615) = 1230 square feet.

So surface area = 1230 square feet.