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Mathematics 8 Online
OpenStudy (anonymous):

What is the surface area of a square pyramid that has a side length of 5 inches and a slant height of 6 inches???

OpenStudy (rajee_sam):

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OpenStudy (anonymous):

would it be 96 in^2

OpenStudy (rajee_sam):

how?

OpenStudy (rajee_sam):

Show me your calculations

OpenStudy (anonymous):

I guessed i dont get all of this?

OpenStudy (rajee_sam):

I showed you how to do it. Which part of my explanation did you not understand . I can go over it

OpenStudy (rajee_sam):

tell me what is the area of the square base?

OpenStudy (anonymous):

the triangle part ... how to get the surface of the triangles?

OpenStudy (rajee_sam):

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OpenStudy (anonymous):

thats the part i dont know ? i dont know how to get the area of the triangle

OpenStudy (rajee_sam):

Area of a triangle is 1/2 x base x height. from the highlighted part of the triangle what is base and the what is height you see?

OpenStudy (anonymous):

6

OpenStudy (rajee_sam):

6 is what?

OpenStudy (rajee_sam):

base or height?

OpenStudy (anonymous):

height and base is 5

OpenStudy (rajee_sam):

exactly

OpenStudy (anonymous):

well the area of the base is 25

OpenStudy (rajee_sam):

now put it in the formula and find the area of one triangle

OpenStudy (rajee_sam):

yes area of the base is = 25 correct.

OpenStudy (anonymous):

ok

OpenStudy (rajee_sam):

That is your B in the S.A. Formula You are still to find the lateral surface area for which you need to find the area of one triangle and multiply it by 4

OpenStudy (anonymous):

thanks for the help i will work on this later but that u so so much! :)

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