Question

the cost of fencing a rectangular park of length 300m50 cm and breadth 200 m50cm at the rate of Rs 10 per metre

Answer 1

we know that perimeter of a rectangle = 2(l+b)

l = 300m 50 cm : b = 200m 50 cm

perimeter = 2(l+b) = 2(300m 50 cm + 200m 50cm) = 2( 501m) = 1002m

cost per meter for fencing = 10rs  

total cost will be = 1002 * 10 = 10020

Answer 2

10020

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