18. A ladder 17 m long when set against the
wall of a house just reaches a window at a
height of 15 m from the ground. The distance
of its lower end from the wall will be
(a) 8 m (b) 9 m (c) 15 m (d) 13 m
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18. A ladder 17 m long when set against the
wall of a house just reaches a window at a
height of 15 m from the ground. The distance
of its lower end from the wall will be
(a) 8 m (b) 9 m (c) 15 m (d) 13 m
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Answer:
Step-by-step explanation:
C
✪ ✪
→ A ladder 17 m long when set against the
wall of a house just reaches a window at a
height of 15 m from the ground. The distance
of its lower end from the wall will be-
(a) 8 m (b) 9 m (c) 15 m (d) 13 m
✪ ✪
⇒Given:
⇒To Find:
⇒Solution:-
⇒Let Distance Between Ladder and Wall be x
Using The Pythagoras Theorem:-
⇒
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Formulas Used :-
Pythagoras Theorem-
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