Question

altitude of a triangle is increased by 20% .What is the increase in the area

Answer 1

Answer:

Step-by-step explanation:

Area of a triangle = 1/2(b)(h)

Now, h = h + (20/100)h

= (5h+h)/5

Now area = 1/2(b)(6h/5)

= 6/5[1/2(b)(h)]

Therefore area has increased by 6/5 sq units.

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