Question

the base and the heigth of the triangle are in the ratio 4:5.If the area of the triangle is 40m²;
find its base and height

Answer 1

let the base be=4x

height =5x

area of triangle=1/2*4x *5x

90=10x²

x²=90/10

x²=9

x=3

b= 4*x = 4*3=12

h= 5*x = 5*3=15