Question

I need to find the volume of a sqaure pyramid and am give base of 8 and slant height of 13.

Answer 1

Hope this helps:
http://bit.do/Pyramid-Volume-Calculator

Answer 2

I can guide you through it though if you would like

Answer 3

I don't have the height. Is the height 10.25?

Answer 4

\(\large\frac{hs^2}{3}\)=volume :)

Answer 5

It says slant height of 13...

Answer 6

but I need height not slant height for volume don't I?

Answer 7

Length is s and height is h.

Answer 8

Oh...

Answer 9

what is height?

Answer 10

Slant height is different lol...

Answer 11

Just saw that

Answer 12

Yes, you're right :) Because you know the sh and base, you can find the height :)

Answer 13

8^2+x^2=13^2???

Answer 14

4^2+x^2+13^2

Answer 15

\[sh=\sqrt{h^2+\frac{s^2}{4}}\] is how you find slant height, so preform the inverse operation to find the height :)

Answer 16

Legth is s (8)

Answer 17

I got it height is 12.37

Answer 18

Yes, that's right :)

Answer 19

Now \(\large\frac{8\times 12.37^2}{3}\)