Question

help i keep getting the wrong answer
What is the volume of the pyramid?

4,624 ft3
34,816 ft3
1,280 ft3
8,704 ft3

Answer 1

V = 1/3 * height * area of the base

Answer 2

1/3*16*17= 90 2/3

Answer 3

you work out the height useing Pythagoras

Answer 4

h^2 = 17^2 - 8^2
area of base = 16*16 = 256

Answer 5

17^2-8^2= 225
16*16= 256

Answer 6

what do I do next?

Answer 7

225^2=50625

Answer 8

h^2 = 17^2 - 8^2 = 225
h = sqrt 225 = 15

so V = (1/3) * 15 * 256

Answer 9

grab ur calculator and work that out

Answer 10

1280?

Answer 11

yeah

Answer 12

ok thank you for your help!

Answer 13

yw