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Mathematics 13 Online
OpenStudy (anonymous):

Find the length of segment DC. Given: ΔABC is equilateral

OpenStudy (anonymous):

OpenStudy (cathyangs):

this is a 30-60-90 type problem. Do you know special triangles?

OpenStudy (anonymous):

5/sqrt(3)

OpenStudy (anonymous):

@cathuangs im not really good with these .

OpenStudy (cathyangs):

ok... well here: |dw:1323389573825:dw| this works for all triangles with 30-60-90 angles.

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