Question

a classroom measures 32 ft long, 25ft wide, and 9ft high. The comb9ned area of doors and windows is 140ft. What is the remaining area of the four walls of the room

Answer 1

886 ft^2

Explanation:

2×l×h+2×b×h=2h(l+b)

2×9(32+25)=18×57=1026 ft^2

1026-140=886ft^2