Shape and Space 4
2 marks · NormalA right-angled triangle has one angle of 55° and a hypotenuse of 9.3 cm. Find the length of the side adjacent to the 55° angle. Give your answer correct to 3 significant figures.
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5.33 cm (±0.02)
Common mistakes: Using sine instead of cosine; Finding the opposite side
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Marking points
M1 · 1 mark · Recognises the adjacent/hypotenuse and sets up
A1 · 1 mark · Final answer correct to 3 s.f. (follow-through)
Worked solution