Question

the area of rectangular field 15 m long is 120 sq m find the width and the perimeter of the rectangle

Answer 1

Given,

Area of rectangular field = 120 m²

Length = 15 m

Area of rectangle = l * b

120 = 15 * b

b = 120 / 15

b = 8

Breadth = 8 m Ans.

Perimeter of rectangle = 2 * (l + b)

= 2 * (15 + 8)

= 2 * 23

= 46 m Ans.

Answer 2

sol
given 
 
area of rectangle=120
it length=1
area of a rectangle=lxb
then 120=15xa
assume berth=a 
then a=120/15=8     a=8
perimeter of rectangle=2(l+b)
 =2(15+8)
=46
 it perimeter is 46