The perimeter of a rectangular sheet is 200 cm. If the length is 70 cm,
find its breadth. Also find the area of the rectangular sheet
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Step-by-step explanation:
perimeter of a rectangular sheet =200 cm
length of the rectangular sheet = 70cm
breadth of the rectangular sheet = x
perimeter = 2(l+b)
200 = 2(70+x)
200
------ = 70 + x
2
150 = 70+x
150 - 70 = x
80= x
area of the rectangular sheet = lxb
= 70x80
= 56cm square
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