a hall is 12m long 10m wide and 5m high. if the length of the room is twice its breadth and the height is 4m, find the area of the floor
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Answer:
340m²
Step-by-step explanation:
Height=5m
Length=12m
Width=10m
Area of 4 Walls = 2*Height(Length+Width)
→ 2*5(12+10) m²
→ 10*22 m²
→ 220m²
Area of roof = Length*Width
→ 12*10 m²
→ 120m²
Total area → (220+120)m²
→ 340m²
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