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Mathematics 17 Online
OpenStudy (anonymous):

Find the area of an equilateral triangle with radius 4 sqrt 3m. Leave your answer in simpliest radical form.

OpenStudy (accessdenied):

Do you know what this situation looks like? A picture always helps!

OpenStudy (anonymous):

I do not have a picture & dont know even know what to draw like I know its a triangle but dont know the rest

OpenStudy (anonymous):

i can try though

OpenStudy (accessdenied):

Go ahead. :) A hint, the "radius" of a triangle has a similar definition to a circle radius, except there are only three radii for a triangle (at its vertices).

OpenStudy (anonymous):

you mean like a circle inside the triangle ?

OpenStudy (accessdenied):

A bit more like a circle outside the triangle that goes through the three vertices: |dw:1396315522765:dw|

OpenStudy (anonymous):

i got it backwards lol okay so 4 sqrt 3 goes in the middle of the triangle right?

OpenStudy (accessdenied):

Well, the 4 sqrt(3) is the length of the radii. It would be very useful to draw those in for what we need to do. Basically, we know that area is half base times height: But we only have the radii. We need to figure out some way to relate the radius to the sides of the triangle. |dw:1396315690649:dw|

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