SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

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 :-

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

1 Answer
5876 Votes
3537

Answer Key : (d) -

Initial base = initial height =

Initial area =.

 

New base = of  cm.

 

New height = 60% of  cm.

 

New area = .

 

Area decreases = .

 

Decreased % =  



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