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Mathematics 8 Online
OpenStudy (anonymous):

Find the lateral area the regular pyramid https://clackamasweb.owschools.com/media/g_geo_ccss_2014/8/groupi77.gif L. A. =

OpenStudy (jhannybean):

That is not a rectangular prism.

OpenStudy (anonymous):

i know

OpenStudy (jhannybean):

Well, let's see.

OpenStudy (jhannybean):

|dw:1417809839129:dw|

OpenStudy (jhannybean):

First we find the total surface area (TSA) by adding the lateral area + base.\[\text{TSA}=\frac{1}{2}Ph_{\text{slant}} +B\]Lateral Area = \(\frac{1}{2}Ph_{\text{slant}}\)

OpenStudy (jhannybean):

First, we need to find our slant height. |dw:1417810172762:dw| The slant height is the perpendicular bisector that bisects the base of one side of the triangle equally in half. |dw:1417810259151:dw| We can use the pythagorean theorem to find the height of the triangle. Can you tell me what that is?

OpenStudy (jhannybean):

@hhelpplzzzz

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