Brain Easier
Geometry
Level
2
If the length of a rectangle is increased by 20% and its width is decrease by 20% then the area is?
increased by 4%
decreased by 20%
decreased by 4%
increased by 20%
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1 solution
A = LW
NewA = 1.2L x 0.8W ... NA = 0.96LW
It has decreased 4%, not 9%...