Question

the perimeter of a rectangular field is 64 metre.if its length is 20 metre,find its area.​

Answer 1

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GIVEN :-

Perimeter of a Rectangle = 64 m

Length = 20

To FIND :-

Find the Area of the Rectangle.

SOLUTION :-

Perimeter = 2( L + b ) = 64

= 2( 20 + b ) = 64

= 40 + b = 64

b = 64 - 40

b = 24.

Area = L × b

= 20 × 24

= 480 m