Triangle $ABC$ is right-angled at $C$, with $AB=25$ cm and $BC=15$ cm. Point $D$ lies on \

Question

Triangle $ABC$ is right-angled at $C$, with $AB=25$ cm and $BC=15$ cm. Point $D$ lies on $AC$, where $CD=8$ cm. Without a calculator, find $BC=15$ $AB=25$ $CD=8$ $A$ $C$ $B$ $D$

Accepted Answer

(a) $17$ cm (b) $15/8$ (c) $4/5$.

Exact ratios in a Pythagorean triangle

Exact ratios in a Pythagorean triangle

Solution:

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