If the height of a triangle is decreased by 40%, land its base is increased by 40%, what will be the effect on its area? Choose the correct choice from the following options:  A) No change  B) 16% increase  C) 8% decrease  D) 16% decrease  E) None of thes
Regd effect = ∣∣40−40−40×40100∣∣%=−16%|40−40−40×40100|%=−16%   i.e., the area will decrease by 16%   Answer 16% decrease
<result>D</result>
If the height of a triangle is decreased by 40%, land its base is increased by 40%, what will be the effect on its area?