Same chapter2 marksDifficulty: Easy
A ladder 13 m long rests against a wall with its foot 5 m from the wall. How high up the wall does it reach?
Pythagoras Theorem
2 marksDifficulty: Easy
The sides of a triangle are 8 cm, 15 cm and 17 cm. Show that it is right-angled.
Original Khojo Papers practice question — not from a past board paper.
Answer
82 + 152 = 64 + 225 = 289 = 172, so by the converse of the Pythagoras theorem the triangle is right-angled.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The right angle lies opposite the longest side.
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