Unknown lengths

Unknown lengths

Secondary 2
3 marks
TGM Original Questions

\(GD=8\), \(DF=17\), \(EF=39\); find \(GF=e\) and \(ED=f\). Points \(E,D,G\) lie on a straight line and \(GF\perp EG\).[3]

All lengths are in centimetres. Give non-exact answers to 3 significant figures unless an exact value is requested.

Solution:

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Answer:\(e=15\text{ cm},\ f=28\text{ cm}\).

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