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Hegarty maths help asap please

Hegarty maths help asap please-example-1

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Answer:

10.3 cm

Explanation:

By sine rule


(x)/( \sin \: 50 \degree) = (13)/( \sin \: 75 \degree) \\ \\ \implies \: x = (13\sin \: 50 \degree)/(\sin \: 75 \degree) \\ \\\implies \: x = (9.9585777605)/(0.9659258263) \\ \\ \implies \: x = 10.3098783\\\\\implies \: x = 10.3\: cm