Math, asked by praneshcbse856, 1 year ago

A rectangular wall 16m long ,120cm wide and 4m high is to be built. How many bricks, measuring 15cm ×10cm×5cm each ,are needed to build the wall

Answers

Answered by shoaibsir
0

Area of bricks = 2(lb+bh+hl) = 550 cm2

area of room = 2h(l +w) = 1376000 cm2

no. of bricks = 1376000÷550 = 2501.8

approximately 2500 bricks

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