A rectangular sheet of paper is 12 1/3 cm long and 10 2/4 cm wide .find its perimeter
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Length =12 1/2 cm = 25/2 cm
Breadth= 10 2/4= 42/4 cm
perimeter of a rectangle= 2(l+b)
= 2(25/2 + 42/4)
= 2(lcm of 2 and 4 is 4)
= 2(25x2/2x2 + 42x1/4x1)
=2(50/4 + 42/4)
= 2x92/4
= 184/4 cm.
= 46cm.
therefore the perimeter is 46cm.
Breadth= 10 2/4= 42/4 cm
perimeter of a rectangle= 2(l+b)
= 2(25/2 + 42/4)
= 2(lcm of 2 and 4 is 4)
= 2(25x2/2x2 + 42x1/4x1)
=2(50/4 + 42/4)
= 2x92/4
= 184/4 cm.
= 46cm.
therefore the perimeter is 46cm.
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