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Year 10 Maths - 10A Trigonometry

The Sine Rule

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Questions
Question 1
208458

In a triangle, a side of length \(12~\text{cm}\) is opposite an angle of \(48^\circ\). Find the length \(x\) of the side opposite an angle of \(71^\circ\), correct to \(1\) decimal place.

Triangle with two angles and a sideTriangle with angles 48 and 71 degrees. The 12 cm side is opposite the 48 degree angle and the side x is opposite the 71 degree angle. 48° 71° 12 cm x cm
\(x =\) 
15.3
 cm 2 marks

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