Question

The perimeter of a rectangle is 23 cm and it's width is 4 cm. find its length​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Length = 7.5cm

Explanation ::

Perimeter of perimeter=2(l+b)

Breadth given=4cm

2(l+b)=2l+2b (this is perimetr)

2L + 2×4= 23cm

2L+8=23cm

2L = 23 - 8

2L=15

L=15/2

L=7.5cm

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