MathematicsTrigonometryJAMB
In triangle ABC, a = 10 cm, angle A = 30° and angle B = 45°. Find b.
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Answer: B. 10√2 cm
Sine rule: b = a sin B / sin A = 10 × (√2/2) ÷ ½ = 10√2 cm.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.