Math, asked by valasshideep, 1 year ago

A courtyard 20m long and 15 m long is to be paved with bricks of length 25 cm and breadth 12 cm find the number of bricks required

Answers

Answered by mysticd
3
dimensions of the courtyard
L=20m, B=15m
area of the courtyard =LB
=20m*15m
=2000cm*1500cm----(1)
dimensions of each brick
l=25cm, b=12cm
area of each brick = lb
=25cm*12cm--(2)
let the number of bricks required=n
n=(1)/(2)

n=(2000*1500)/(25*12)
=12500
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