Cara is painting her living room. the room measures 10.5 feet by 11.5 feet. the ceiling is 10 feet high. what is the wall area of the room? explain how you got your answer! i think it's number

1. 1207.5 sq ft
2.440 sq ft
3.220 sq ft
4.840 sq ft

Based on the given, the room is a rectangle with Length = 11.5 ft, width = 10.5 ft and height = 10ft. The total wall area can be calculated as the sum of the individual wall areas. The area of opposite walls can be said equal, therefore.
A = A1 + A2
A1 = (11.5 x 10) (2) since two opposite walls
A2 = (10.5 x 10) (2) since two opposite walls
Atotal = 440 sq ft.

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