What is the least number of square marbles required for a terrace of 15.17 m long and 9.02m breadth?
a. 1242
b. 407
c. 814
d. 1000?
Answers
Answered by
9
Answer:
817
Step-by-step explanation:
15.17 m = 1517 cm
9.02 m = 902 cm
take HCF 1517, 902 = 41 ↓
902)1517(1
902
615)902(1
615
287)615(1
287
328)287(1
328
41}328(8
328
0
= Area of Room / area of tiles
= L * b / a*a
= 1517*902 / 41*41
= 37*22
= 814
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