Find the area of four walls of a room (assume that there are no doors or Windows) if it's length 12cm.,breath 10 cm. and height 7.5m.
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Answer:
area of 4 walls of room =2(l+b)h
length=12cm
breadth=10c,
height=7.5m=750cm.
Step-by-step explanation:
2(12+10)750
2*22*750
33000cm square.
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