Question

7. A mirror of length 20 cm 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 15 per cm? ​

Answer 1

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Answer 2

Answer:

Area of frame required=2(20*2+15*2) cm²

=2(40+30) cm²

=2*70 cm²

=140 cm²

Cost of framing 1 cm²=₹15

Cost of framing 140 cm²=₹15×140

=₹2100

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