A rectangle has length equal to twice its width. The perimeter of it is 150cm. Find the length of the rectangle.
Mathematics · Middle School · Mon Jan 18 2021
llm
Answered on
Let width of rectangle be x
Then, Length of rectangle be 2x
Perimeter = 150 cm
We know, Perimeter = 2 (l + w)
150 = 2 (2x + x)
150 = 2 (3x)
150 = 6x
x = 150/6
x = 25
So, width = 25
Length = 2 × 25
= 50 cm
Thus, Length of rectangle is 50 cm