15.) The floor of a room is a square of whose each side is 10m. Find – InterviewSolution

1.	15.) The floor of a room is a square of whose each side is 10m. Find the areaof its four walls, if it is 4m high.A) 160m2B) 140m2C) 170m²D) 175m?
Answer» 160 m²Step-by-step explanation:PERIMETER of a square = 4×side 4×10=40its area of A4 wall = 4× 40= 160

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