The foot of a ladder is 6m from the base of an electric pole. The...
MATHEMATICS
WAEC 2019
The foot of a ladder is 6m from the base of an electric pole. The top of the ladder rest against the pole at a point 8m above the ground. How long is the ladder?
- A. 14m
- B. 12m
- C. 10m
- D. 7m
Correct Answer: C. 10m
Explanation
H\(^2\) = 8\(^2\) + 6\(^2\) + 6\(^2\)
H\(^2\) = 64 + 36 = 100
H = \(\sqrt{100}\) = 10m
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