Question

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a ten -inch square as the bottom and you want the slant height to be twelve inches, how much poster board do you need?

A)340 in
B)360 in
C)384 in
D)400 in

Answer 1

@amistre64

Answer 2

First off, tell me do you know how to make a square pyramid?

Answer 3

yes

Answer 4

How do you make one, post it here.

Answer 5

That would be a triangular pyramid, try this:

Answer 6

so then, with knowing this, tell me, the base is 10 inches, right? so lets call the base B.

Answer 7

OK

Answer 8

And the sides are how long? Lets call the side slants S

Answer 9

12

Answer 10

Okay, so then, tell me, how many square pyramids do you need, do we know this?

Answer 11

thats what we need to find out

Answer 12

Okay then, so. What do you think comes next?

Answer 13

im not sure

Answer 14

Okay, let me review:
B= 10 in.
S= 12 in.

We're looking for the size of a poster board.


What do you think we're doing next?

Answer 15

multiply?

Answer 16

nope, we need an equation, what do you THINK the equation should look like? (meaning, use the numbers and try to figure one out, doesn't matter if its right, or not.)

Answer 17

10*12

Answer 18

no, good try, but that's not the only thing we have to do. It would need to include a variable for the equation answer: lets use X for answers A-D. Try filling it out now.

Answer 19

im not sure, im just going to ask my teach. ttyl

Answer 20

Are you sure that the slant height is 12 not 13 ?