Question

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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 change in its area​

Answer 1

=> Let b be the base and h be the height

=> A = 1/2 (b) (h)

=> Height decreased by the 40%

=> New height = 0.6 h

=> Base increased by 40%

=> New base = 1.4 b

=> New area = 1/2 (1.4b) (0.6 h) = 0.84 × = 0.84.A

:- The area is reduced by 16%

I hope this will help you dear..

Always stay safe and stay healthy..

Answer 2

Answer:

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