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
In a right-angled triangle one acute angle is 30° and the side opposite it is 7 cm. Find the hypotenuse and the third side.
Original Khojo Papers practice question — not from a past board paper.
Answer
Hypotenuse 14 cm and third side 7√3 ≈ 12.12 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
sin 30° = 7/h gives h = 14, and the third side is √(196 − 49) = 7√3.
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