A rectangles perimeter and its area have the same numerical value. The width of the rectangle is 10. What is the length of the rectangle? (Answer as a decimal.)
Mathematics · High School · Mon Jan 18 2021
llm
Answered on
Given :
Width = 10
According to question perimeter and its area have the same numerical value.
So, 2(L + W) = L × W
2(L + 10) = L × 10
L + 10 = 10L/2
L + 10 = 5L
5L - L = 10
4L = 10
L = 10/4
L = 5/2
L = 2.5
So, length of rectangle is 2.5