Same chapter1 markDifficulty: Easy
If the angle of elevation of the sun is 45°, the length of the shadow of a vertical pole is:
Heights and Distances
3 marksDifficulty: Easy
A ladder 10 m long leans against a wall and makes an angle of 60° with the ground. How high up the wall does it reach, and how far is its foot from the wall?
Original Khojo Papers practice question — not from a past board paper.
Answer
It reaches 5√3 ≈ 8.66 m up the wall, and its foot is 5 m from the wall.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Height = 10 sin 60° = 5√3 m and the distance from the wall = 10 cos 60° = 5 m.
Related questions
From the same topic and chapter, at a similar level.
Same chapter2 marksDifficulty: Easy
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Same chapter3 marksDifficulty: Easy
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Same chapter4 marksDifficulty: Hard
The angles of elevation of the top of a tower from two points on the same side of it and in line with its foot are 30° and 60°. If the points are 40 m apart, find the height of the tower.
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Same chapter3 marksDifficulty: Medium
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Same chapter4 marksDifficulty: Hard
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Heights and Distances