$GD=8$, $DF=17$, $EF=39$; find $GF=e$ and $ED=f$. Points $E,D,G$ lie on a straight line

Question

$GD=8$, $DF=17$, $EF=39$; find $GF=e$ and $ED=f$. Points $E,D,G$ lie on a straight line and $GF\perp EG$. $E$ $D$ $G$ $F$ $8$ $17$ $39$ $e$ $f$ All lengths are in centimetres. Give non-exact answers to 3 significant figures unless an exact value is requested.

Accepted Answer

$e=15\text{ cm},\ f=28\text{ cm}$.

Unknown lengths

Unknown lengths

Solution:

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