mirror of length 20 cm and width 15 cm is toe framed with a 2 cm wide

1.	mirror of length 20 cm and width 15 cm is toe framed with a 2 cm wide frame. Find the areaof the frame required. Also, find the cost offraming at the rate of15 per cm2.
Answer» Area of frame required=2(202+152) cm²=2(40+30) cm²=2*70 cm²=140 cm² Cost of framing 1 cm²=₹15Cost of framing 140 cm²=₹15×140=₹2100

mirror of length 20 cm and width 15 cm is toe framed with a 2 cm wide frame. Find the areaof the frame required. Also, find the cost offraming at the rate of15 per cm2.

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=₹15Cost of framing 140 cm²=₹15×140=₹2100