a mirror of length 30cm and with 20cm is to be framed with a 2 cm wide frame find the area of frame required also find the cost of framing @ rupees 20 per CM square
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Length of frame= 30+2+2= 34 cm
Breadth of frame = 20+2+2= 24 cm
( because frame is increased by 2 cm from both sides)
Area of frame= L× B
= 34×24
= 816 cm square
Cost of framing= 816×20
= ₹ 16320
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