Question

The perimeter of a rectangle is 40 cm and its breadth is 4 cm less than this lenght. complete the length and breadth​

Answer 1

Step-by-step explanation:

2{L+B} = 40

L+B= 20

B= L-4

20-L= L-4

2L= 24

L= 12

B = 12-4 = 8

Answer 2

Answer:

Perimeter of rectangle= 2(l+b)

= 2(40+4)

=88cm²

So, the answer is 88cm².

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