geometry

posted by nottellingmyname

If EF=6 and EG=21, find the value of FG.

1. MathMate

E-----F------G
In this case,
EF=6, EG=21, then FG=EG-EF=15

G------E------F
However, if F and G are on different sides of E, then
FG = EF + EG = 21 + 6 = 27

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