$DB=24$, $AB=7$, $CB=9$; find $DC=c$ and $AC=d$. Points $D,C,B$ lie on a straight line a

Question

$DB=24$, $AB=7$, $CB=9$; find $DC=c$ and $AC=d$. Points $D,C,B$ lie on a straight line and $AB\perp DB$. $D$ $C$ $B$ $A$ $25$ $7$ $9$ $c$ $d$ All lengths are in centimetres. Give non-exact answers to 3 significant figures unless an exact value is requested.

Accepted Answer

$c=15\text{ cm},\ d=\sqrt{130}\approx11.4\text{ cm}$ (3 s.f.).

Unknown lengths

Unknown lengths

Solution:

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