Question

The ration of base and height of a triangle is 1:2 and its area is 49cm. Find its base and height

Answer 1

let the base and height be x, 2x

area of triangle = 1/2×b×h

49=1/2 ×x×2x

49 =1/2 × 2x^2

x = √49

x= 7

so base= 7cm

height = 7×2 = 14cm