Question

the width of a rectangular field is 20 metre the length of the field is twice of the width find the area of the field​

Answer 1

$\huge\bf\underline{Question:}$

The width of a rectangular field is 20 metre the length of the field is twice of the width find the area of the field.

$\huge\bf\underline{Solution:}$

Width = 20

length is twice it's width

so = 2* 20 = 40

Area of rectangular field

= l * b

= 20 * 40

= 800 cm^2