WAEC - Mathematics (1993 - No. 34)
At a point 500m from the base of a water tank the angle of elevation of the top of the tank is 45o. Find the height of the tank,
250m
353m
354m
433m
500m
説明
\(\tan 45 = \frac{x}{500}\)
\(x = 500 \tan 45\)
= \(500 m\)