Question

If each of the dimensions of a rectangle is increased by 100 percent, then the area is increased by

Answer 1

area of rectangle is l ×b
given dimensions are increased 100 percent
l=2l
b=2b
New area=2l×2b=4lb
percentage increased is 4lb-lb×100=300%

Answer 2

area of rectangle= l× b

if dimensions are increased by 100%so,

.

l = 2l and b= 2b

new area= 2l× 2b= 4lb

.

% increased is 4lb- lb× 100 = 300%

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hope it helped ☺️