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mestny [16]
2 years ago
8

A square room has a floor area of 81 square feet. the height of the room is 5 what is the area of one wall

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
5 0

Answer:

45 square feet

Step-by-step explanation:

Area of square and area of rectangle:

Area of square = 81 square feet

   \sf \boxed{Side \ of \ square = \sqrt{area}}

                             \sf = \sqrt{81}\\\\     = \sqrt{9*9}\\\\     = 9 \ feet

height = 5 ft

length of wall = 9 ft

Area of one wall = length * height

                            = 9 * 5

                            = 45 square feet

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