passpadi

2021

Mathematics

JAMB

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°

Correct Answer: 240°

Explanation

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

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