Two towns, P and Q, are on (4oN 40oW) and (4oN 20oE) respectively. What is the distance between them, along their line of latitude? (Give your answer in teems of π and R, the radius of the earth).

Two towns, P and Q, are on (4^oN 40^oW) and (4^oN
20^oE) respectively. What is the distance between
them, along their line of latitude? (Give your
answer in teems of π and R, the radius of the earth).

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A 2πR cos4^o
B πR sin40^o
C πR/2 cos4^o
D πR/3 cos4^o
E πR/6 cos4^o

Correct Answer: Option D

Explanation:
Angular distance = 40^o + 20^o = 60^o
using ^θ/₃₆₀ x 2πr for distance between p and Q
= ⁶⁰/₃₆₀ x 2πRcos4^o = ¹/₃πRcos4^o

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Two towns, P and Q, are on (4oN 40oW) and (4oN 20oE) respectively. What is the distance ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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