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Mathematics 10 Online
OpenStudy (anonymous):

PLEASSEEEEEHELPPP!! :(( find total area for the regular pyramid. https://media.glynlyon.com/g_geo_2012/8/groupi75.gif the link of the pic ^

OpenStudy (sirm3d):

|dw:1353716843661:dw| do you know how to find the measure of apothem a?

OpenStudy (anonymous):

uhmm no :/

OpenStudy (sirm3d):

|dw:1353717264948:dw| how about this 30-60-90 right triangle?

OpenStudy (anonymous):

no i dont remember.. this is supposed to be review and i dont remember that..

OpenStudy (sirm3d):

ok. the shorter leg is (adjacent to 60 degree angle) is half the hypotenuse, the longer leg (the apothem a in this problem) is sqrt(3) times the shorter leg.

OpenStudy (sirm3d):

|dw:1353717685623:dw|

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