Question

A rectangular mirror is 20 cm long and 15 cm wide . A wooden frame has to fix around it. find the total length of the frame.
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please answer ​

Answer 1

Step-by-step explanation:

TO FIND TOTAL LENGHT OF FRAME WE HAVE TO FIND PERIMETER

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therefore perimeter of rectangle = 2(l+b)

= 2(20+15)

=2×35

=70 cm

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TOTAL LENGTH OF FRAME IS 70cm