Same chapter3 marksDifficulty: Medium
A tree casts a shadow 15 m long when the angle of elevation of the sun is 45°. Find the height of the tree.
Solution of Right Triangles
3 marksDifficulty: Medium
A pole is fixed vertically and a wire from its top is fastened to the ground 12 m from its foot, making an angle of 30° with the ground. Find the length of the wire.
Original Khojo Papers practice question — not from a past board paper.
Answer
8√3 ≈ 13.86 m
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
cos 30° = 12 ÷ l, so l = 12 ÷ (√3/2) = 24/√3 = 8√3 m.
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