The length of a rectangle is four times its width. If the perimeter is 100 m .what is the length of the rectangle?
30 m
40 m
25 m
20 m
If area of a square plate is 100 m2, then what is the side length of the square plate and its perimeter respectively?
The perimeter of a rectangle is 10/3 cm and its width is 1/3 of its length. What is the length of the rectangle?