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The Sine Rule

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Question 14

Triangle XYZ XYZ\,XYZ has sides XY=6.5XY = 6.5XY=6.5 cm and YZ=5.1YZ = 5.1YZ=5.1 cm.

The angle XZY=72∘XZY = 72^\circXZY=72∘ and the angle YXZ=x∘YXZ = x^\circYXZ=x∘.

Calculate the value of xxx.
Give your answer to 3 significant figures.

[3]

The Sine Rule Questions

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