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Mathematics 9 Online
OpenStudy (anonymous):

MEDALLLSS!! Find the lateral area of the pyramid shown to the nearest square yard.

OpenStudy (anonymous):

OpenStudy (anonymous):

Find the slant height of the cone to the nearest meter.

OpenStudy (austinl):

You need to find the slant height, do you know how to do this?

OpenStudy (anonymous):

know thats what i need help with

OpenStudy (austinl):

You have the central height, and you have a side length, you can use that to form a right triangle to find the slant height. Do you think you could go from there or do you need further guidance?

OpenStudy (anonymous):

whats the central height ?

OpenStudy (austinl):

That line in the center of the pyramid, 25 is it's length I think.

OpenStudy (austinl):

Yep, 25 yards.

OpenStudy (anonymous):

ohh okayyy got it, um is there a formula or something in still lost in solving it lol

OpenStudy (austinl):

Yeah, but you need the slant height for it :P

OpenStudy (anonymous):

well how do i figure that out?

OpenStudy (austinl):

That is what I am in the process of doing, trying to tell you how! :D

OpenStudy (austinl):

So we have this so far. |dw:1385139095177:dw|

OpenStudy (austinl):

What would be the length of the bottom leg? It is half the length of a side as a hint :)

OpenStudy (anonymous):

i have to submit my test the times running out so im gonna guess then come back so i can learn this lol

OpenStudy (austinl):

This is a test?

OpenStudy (anonymous):

like a pretest thing to see if you have to go through the study

OpenStudy (austinl):

|dw:1385139482532:dw| Use the pythagorean theorem.

OpenStudy (anonymous):

a^2+b^2=c^2 right?

OpenStudy (anonymous):

i got 32.64

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