Multi-Step Triangle Calculation Using Trigonometric Ratios
Multi-Step Triangle Calculation Using Trigonometric Ratios
Secondary 2
In the diagram, \(\angle BCA=90{}^\circ \), \(\angle CBD=41{}^\circ \), \(BC=6.4\) cm, \(AB=12.7\) cm. Find
- \(AC\),
- \(\angle CAB\),
- \(CD\).
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Answer:(a) \(11.0\text{ cm}\) (b) \(30.3^\circ\) (c) \(5.56\text{ cm}\)
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