Question

length of the rectangle is 4 cm more than its breath. if the perimeter of the rectangle is 32 cm find its length

Answer 1

Let the breath be x

Length=x+4

Perimeter of a rectangle=2(length+breath)

2(x+x+4)=32

2x+4=16

2x=12

x=6

Since breath=6cm so length=x+4=6+4=10cm

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Answer 2

breadth=x
length=x+4
perimeter=x+x+x+4+x+4
32=4x+8
32-8=4x
24=4x
x=6
length=x+4
6+4=10