WAEC - Mathematics (1993 - No. 29)
From a point on the edge of the sea, one ship is 24km away on a bearing S 50oE and another ship is 7km away on a bearing S40oW. How far apart are the ships?
20km
24km
25km
31km
84km
Giải thích
x2 = 625
x = √625 = 25