Sagot :
324 square feet.
9 x 12 = 108 square feet.
3 walls x 108 sq. ft. = 324 sq. ft.
9 x 12 = 108 square feet.
3 walls x 108 sq. ft. = 324 sq. ft.
Brett had to paint 3 walls, each wall was 9 feet tall and 12 feet long , how much area did he paint ?