Shape and Space 4
2 marks · EasyCalculate the size of angle in a right-angled triangle where the side opposite is 7 m and the hypotenuse is 14 m. Give your answer correct to 3 significant figures.
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30.0° (±0.2)
Also accept: 30°; 29.98°
Common mistakes: 60° (upside-down sides)
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Marking points
M1 · 1 mark · Uses . Attempts arcsin.
A1 · 1 mark · Obtains (accept 29.98°, 30° to 3 s.f.) (follow-through)
Worked solution