What is the volume of the pyramid? A. 139 cm3 B. 484 cm3 C. 142 cm3 D. 420 cm3

Question

asked Mar 28, 2019 56.3k views

1 Answer

Gutzofter · Answer 1 · 2019-04-03T15:12:38+0000

V = 1/3 B * H where B is the area of the base and H is the height

to find the base , we find the area

B = s^2 where s is the side length

so

V = 1/3 s^2 *H

V = 1/3 * 11^2 * 12

V = 1/3 * 121 * 12

V = 484 cm^3

Choice B