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MATHEMATICS

JAMB 2021 - Question 38

Mathematics 2021 JAMB Past Questions - Question 38: X is due east point of y on a coast. Z is another point on the coast but 6.0km due south of Y. If the distance ZX is 12km, calculate the bearing of Z from X

X is due east point of y on a coast. Z is another point on the coast but 6.0km due south of Y. If the distance ZX is 12km, calculate the bearing of Z from X

A: 240°

B: 150°

C: 60°

D: 270°

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Correct Answer

Explanation

Sinθ = 6/12Sinθ = 1/2θ = Sin 0.5θ = 30°Bearing of Z from X, (270 - 30)° = 240°