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Mathematics 13 Online
OpenStudy (anonymous):

The area of the base of a prism is 24 mm2. The perimeter of the base is 22 mm. The height of the prism is 5 mm. What is the surface area of the prism?

OpenStudy (anonymous):

@Lady.Liv1776

OpenStudy (anonymous):

Alright, well, first off... what is the equation for finding surface area?

OpenStudy (anonymous):

1/2*4*c*h right?

OpenStudy (anonymous):

what kind of prism is it?

OpenStudy (anonymous):

triangular i think

OpenStudy (anonymous):

Okay so the formula for the surface area of a triangular prism is: bh + (S1+S2+S3)H

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so just plug your numbers in. Do you have a picture to find your sides?

OpenStudy (anonymous):

okay 24+22*5

OpenStudy (anonymous):

Im really bad at this

OpenStudy (anonymous):

It's okay :) Now, if i'm correct, that equals 158. do you have sides? Or do you need to find them?

OpenStudy (anonymous):

I just need to know about much it equals

OpenStudy (anonymous):

so thanks

OpenStudy (anonymous):

Oh okay, sweet

OpenStudy (anonymous):

anytime :P

OpenStudy (anonymous):

:D

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