The perimeter of a rectangular field is 240m.If it's length is 9pm, find:
(i) it's breadth
(ii) it's area
Step by step please
Solution:
Perimeter of the rectangle = 240m.
=> Perimeter of the rectangle = 2 x ( l + b ),
=> 240 = 2( 90 + b),
=> 120 = 90 + b,
=> b = 30.
=> The breadth of the rectangle = 30m.
Area of rectangle = (l × b)
=> Area of the rectangle = 90 x 30,
=> Area of the rectangle = 2700m2.
Therefore, the breadth of the rectangle is 30m and the area of the rectangle is 2700 m2.