Respuesta :

eshant

Answer:

Here,

Volume of pyramid (V) = 1/2 ×A×H

Given, V= 60 , H= 9

Now place the value of V and H in :

V= 1/2 ×A×H

60= 1/2 ×A × 9

60×2= 9A

120/9 = A

Hence, A= 120/9