Question

A mirror of length 20cm and width 15 cm is to be framed with a 2 cm wide frame .find the area of the frame required.Also, find the cost of framing at the rate of rupees 15 square cm

Answer 1

Answer:

area of frame = (22 × 170) -(20 × 15)   = 374 - 300 = 74 $cm^{2}$

cost of framing at the rate of rupees 15 square cm=  74 × 15 = Rs 1110

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