From a point on the edge of the sea, one ship is 24km away on...

MATHEMATICS

WAEC 1993

From a point on the edge of the sea, one ship is 24km away on a bearing S 50°E and another ship is 7km away on a bearing S40°W. How far apart are the ships?

A. 20km
B. 24km
C. 25km
D. 31km

Correct Answer: C. 25km

Explanation

x² = 24² + 7² = 576 + 49

x² = 625

x = √625 = 25

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