Question

In an equilateral triangle of side 3 root 3cm.Find the length of the altitude

Answer 1

area of equilateral triangle=√3/4*side^2

=√3/4*3√3^2

=27√3/4

area of triangle=1/2*base*hight

27√3/4=1/2*3√3*h

27*2/3*4=h

9/2=h

4.5=h