Question

Find the surface area of a square pyramid with a base that measures 10 m on each side and has a slant height of 20 m.
A. 500 m2
B. 900 m2
C. 200 m2
D. 300 m2

Answer 1

@GoldPhenoix

Answer 2

@SithsAndGiggles

Answer 3

\[A=b^2+4\left(\frac{1}{2}bs\right)\\
A=b^2+2bs\]
\(b\) is the length of the base and \(s\) is the slant height.

Answer 4

ok what do i do from there?

Answer 5

Plug in the numbers. \(b=10\) and \(s=20\) according to your information.
\[A=(10)^2+2(10)(20)=\cdots\]

Answer 6

@ehmuleeee

Answer 7

I get it but im going to mess up as i go through the steps alone

Answer 8

I got 500

Answer 9

That's the right answer.

Answer 10

yeah! thanks

Answer 11

you're welcome