A mirror,15 cm long and 12 cm wide is to be framed with a 3 cm wide frame. find the area of frame.if the cost of the frame is rs 25 per cm2,find the cost of the frame.
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area of frame=(12×3)×2+(15×3)×2=162 cm2
then cost of frame = 162×25=4050
then cost of frame = 162×25=4050
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