If the height of a triangle is decreased by 40% and its base is increased by 40% , what will be the effect on its area?

If the height of a triangle is decreased by 40% and its base is increased by 40% , what will be the effect on its area? Correct Answer 16% decrease

Area2Area1 =  12×.60A×1.4B12×A×B = .84 Area2 = .84 of Area1 . = (1. - .16) of Area1. ∴ 16% decrease.
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