If the altitute of a triangle increases by 5% and the base of the triangle increases by 7%, by what per cent will the area of the triangle increase?

If the altitute of a triangle increases by 5% and the base of the triangle increases by 7%, by what per cent will the area of the triangle increase?

A 3.33%

B 5%

C 12.35%

D 13.35%

Solution

Correct Answer: Option D