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?
(a)
No change
(b)
8% decrease
(c)
16% decrease
(d)
16% decrease
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?
(a)
No change
(b)
8% decrease
(c)
16% decrease
(d)
16% decrease
Question ID - 50133 | SaraNextGen Answer
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?
(a)
No change
(b)
8% decrease
(c)
16% decrease
(d)
16% decrease
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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? |
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|
(a) |
No change |
(b) |
8% decrease |
(c) |
16% decrease |
(d) |
16% decrease |
1 Answer - 5876 Votes
3537
Answer Key : (d) -
Answer LinkInitial base = 
initial height = 
Initial area =
.
New base = 
of 
cm.
New height = 60% of 
cm.
New area = 
.
Area decreases = 
.
Decreased % = 
