Respuesta :

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

jasstlln1024

Answer:

9 cm

Step-by-step explanation:

i took the tesst