Geometrymedium · Past Paper
A ladder 10m long reaches a window 8m high from the ground. Find the distance of the foot of the ladder from the wall.
A2 m
B6 m
C18 m
Dsqrt(164) m
✓ Correct Answer: B — 6 m
Using Pythagoras: 10^2 = 8^2 + x^2 => 100 = 64 + x^2 => x^2 = 36 => x = 6 m.
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