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Mathematics 9 Online
OpenStudy (anonymous):

Can someone pleaseeee . help me.

OpenStudy (amistre64):

cant help without knowing the problems

OpenStudy (anonymous):

ill send it in a pic

OpenStudy (anonymous):

OpenStudy (amistre64):

the area of the equi lateral eh..

OpenStudy (amistre64):

12*12*sin(60) ------------ 2 sin(60) = sqrt(3)/2

OpenStudy (amistre64):

36*sqrt(3)

OpenStudy (anonymous):

30.6

OpenStudy (anonymous):

30.6

OpenStudy (anonymous):

is that the answer

OpenStudy (amistre64):

36 1.7 --- 252 360 ----- 385.2 ??

OpenStudy (anonymous):

is that the answer...?

OpenStudy (amistre64):

should be; 12*12*sqrt(3) ------------ = 36 * sqrt(3) 2*2

OpenStudy (anonymous):

im confused. soooo.... 36?

OpenStudy (anonymous):

NEvermind i got it i need help with a dif. prob

OpenStudy (anonymous):

OpenStudy (anonymous):

\[Area = (1/2)base \times height = (12/2) \times \sqrt{3}(6) = 6 \times (1.7)(6) = 61.2\]

OpenStudy (anonymous):

is that for the question i just posted. i just sent a new one

OpenStudy (amistre64):

base = side height = side * sin(angle) .... ok? base = 12; height = 12 sin(60)

OpenStudy (anonymous):

what question is that for.

OpenStudy (amistre64):

first one....

OpenStudy (anonymous):

i need it for the one i posted just now

OpenStudy (anonymous):

OpenStudy (anonymous):

Can someone just give me the answer.:(

OpenStudy (amistre64):

we can do it this way to to prove my point; sqrt(12^2 - 6^2) = height sqrt(144 - 36) = sqrt(108) Area = sqrt(108)*12/2 = 62.35 .................................................... musts hit a wrong button lol

OpenStudy (anonymous):

i don't need it for that question. i need it for the one I JUST NOW POSTED.

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