Question

If the volume of this pyramid is 90 cm3, what is its height?

27 cm

3 cm

9 cm

18 cm

Answer 1

9 cm

Explanation:

i took the tesst

Answer 2

Volume of a pyramid =1/3B*H
B is Area of base here base is triangle
so Area of a triangle=1/2*b*h
=1/2*5*12
=30 cm^2

Volume=1/3*30*H
90=1/3*30*h
90*3/30=h
(volume is given)
h=9 cm