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Mathematics 11 Online
OpenStudy (countrygirl1431):

Help me!!!!

OpenStudy (countrygirl1431):

OpenStudy (anonymous):

look i would say 36 but im suck at geomitry but i have a friend whos really good at this stuff hold on :)

OpenStudy (anonymous):

@jim_thompson5910 @triciaal

OpenStudy (anonymous):

well i hope you get the right answer :)

OpenStudy (countrygirl1431):

thanks @jozy_is_BACKK

jimthompson5910 (jim_thompson5910):

each lateral face looks like this |dw:1431664561194:dw|

jimthompson5910 (jim_thompson5910):

construct the altitude to the base |dw:1431664582096:dw|

jimthompson5910 (jim_thompson5910):

|dw:1431664616851:dw| use the pythagorean theorem to find x a^2 + b^2 = c^2 3^2 + x^2 = 6^2 x = ???

OpenStudy (countrygirl1431):

x=6

jimthompson5910 (jim_thompson5910):

no

jimthompson5910 (jim_thompson5910):

3^2 + x^2 = 6^2 9 + x^2 = 36 x^2 = 36-9 x^2 = 27 x = ??

OpenStudy (countrygirl1431):

13.5

jimthompson5910 (jim_thompson5910):

x^2 doesn't mean x times 2

jimthompson5910 (jim_thompson5910):

you have to take the square root of both sides

OpenStudy (countrygirl1431):

so the square root of 27 is 5.1

jimthompson5910 (jim_thompson5910):

\[\Large \sqrt{27}\] simplifies to \[\Large 3 \sqrt{3}\]

jimthompson5910 (jim_thompson5910):

|dw:1431665257047:dw|

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