Question

find the cost of flooring a square room whose side is 8 metre at rupees 21 per square metre​

Answer 1

Answer:

$area \: of \: sq. = {a}^{2} \\ = ( {8})^{2} \\ = 64 {m}^{2} \\ \\ cost = area \times rate \\ = 64 \times 21 \\ = 1344$

so the cost is 1344 rs.

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