Question

if breadth is 49 cm its perimeter is 200 what is the length

Answer 1

2{l+b}=perimeter
2{l+49}=200
l+49=100
l=51 cm

Answer 2

perimeter = 2(l + b)
b = 49, l = ?
perimeter = 2 (l + 49)
200 = 2l + 98
2l = 200 - 98
l = 51 cm.
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