The diagram shows two triangles. Calculate $$$Q R$$$. $$\[ Q R= ........................................ \mathrm{m} \]$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s20_qp_42 Year：2020 Question No：4(a)

Answer:

$65.4$ or $65.36$ to $65.37$

E6.4 Solve problems using sine and cosine rules and the area formula for triangles.

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