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Mathematics 23 Online
OpenStudy (anonymous):

Points B, D, and F are midpoints of the sides of EC = 33 and DF = 20. Find AC.

OpenStudy (anonymous):

OpenStudy (anonymous):

@Directrix

Directrix (directrix):

Segment FD is a segment joining the midpoints of two sides of a triangle. Theorem: A segment joining the midpoints of two sides of a triangle has measure half that of the third side. So, if DF = 20, what is AC ? @DeeBush96 The 33 does not figure into this particular problem.

OpenStudy (anonymous):

will it be 40

OpenStudy (anonymous):

@Directrix 40

Directrix (directrix):

40 is what I got @DeeBush96

Directrix (directrix):

You are welcome.

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