Question

The length of a rectangle is 4cm More than
its breath the perimeter of rectangle
is 40 cm find the length and breadth of
rectangle​

Answer 1

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Answer:

The Length is 12cm and the Breadth is 8cm

Let breadth be b and length be b+4

By problem,

2(b+b+4) = 40

Or 2( 2b + 4) = 40

Or 4b + 8 = 40

Or 4b = 40 - 8 = 32

Or b = 32/4 = 8 cm

Or b+4 = 8 + 4 = 12cm