10) The side length of a square wooden board is 3 m.
(a) Find the area of the square board.
(b) If the cost of a wire made of silver is 52 x 3° per metre, how much would it cost to fence
the wooden board using the silver wire?
Please report all the answers in whole numbers,
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Answer:
(a) area of square =9 m
(b) perimeter of square =4×side
=4 × 3
= 12 m
cost of fencing 1 m = rs 52
cost of fencing 12 m = 12× 52
= rs 624
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