Question #3f7b3
1 Answer
Feb 12, 2018
Percentage change in area is
where k is the ratio of reduction in width to the original width
Explanation:
I have made an attempt to express the change in area in terms of percentage change
Given:
where,
Area of rectangle is
Area of rectangle
Area of rectangle
New width
Length becomes L'=5(W-5)
Area of new rectangle
Area of new rectangle
Area of new rectangle
Change in area is
Area
Percentage change in area is
where k is the ratio of reduction in width to the original width