Right-triangle lengths and angles

Right-triangle lengths and angles

Secondary 2

3 marks

TGM Original Questions

The hypotenuse is 20 cm and one acute angle is \(35^\circ\); find the opposite side \(b\) and adjacent side \(n\).[3]

Give non-exact lengths and areas to 3 significant figures, and angles to 1 decimal place.

Solution:

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Answer:\(b=11.5\text{ cm},\ n=16.4\text{ cm}\).

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