D A rectangle floor 75m long and son
5am
wide border along its outer
boundary. Find the cost of making the
border at the rate of Z 45 per square
metre.
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Answer:
length = 500 cm.
breadth = 75 cm.
area = ( 500 × 75 ) cm.
area =37, 500 cm.
border = 6 cm.
= 37, 500÷6
=6250 sq cm .
cost = rs (6250 × 0.50)
cost = rs 3125
Step-by-step explanation:
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