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14. How many bricks 20 cm long and 10 cm wide willbe required to pave a floor 20 m long and 10 mcm or a circle of circumferencea mwide ? |
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Answer» FIRSTLY convert meter into centimeters that is 10m=1000cm and 8m=800cm. AREA of floor 800X1000=800000cm length of brick 20cm breadth of brick 10cm now area of brick will be 20X10=200cm 800000÷200(ar of floor / ar of brick) you can also convert it into meters by dividing by 100 800000÷100=8000 200÷100=2 here 8000÷ 2 4000 you NEED 4000 bricks Step-by-step EXPLANATION: |
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