In the diagram, $ABD$ is a right-angled triangle with point $C$ on the line $BD$. $AB=3$ cm,

Question

In the diagram, $ABD$ is a right-angled triangle with point $C$ on the line $BD$. $AB=3$ cm, $BC=4$ cm and $CD=2$ cm. Find the length of $AC$, the ratio of $\tan \angle ACB:\cos \angle ACB$, the angle $CAD$.

Accepted Answer

(a) $5\text{ cm}$ (b) $15:16$ (c) $10.3^\circ$

Applying Pythagoras and Trigonometry in a Multi-Triangle Figure

Applying Pythagoras and Trigonometry in a Multi-Triangle Figure

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