Asked by Bill
If you have a rectangle and increase the length by 20% while decreasing the with by 20% what is the change equated at?
Answers
Answered by
Steve
I assume you are asking about the change in area?
area = length * width
replace those by the new values:
area = length*1.20 * width*0.80
= 0.96 * length * width
so area has decreased by 4%
area = length * width
replace those by the new values:
area = length*1.20 * width*0.80
= 0.96 * length * width
so area has decreased by 4%
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