Geometry

Trigonometry

Easy

A ladder leaning against a wall makes an angle of 60° with the ground. If the length of the ladder is 19 m, find the distance (in meters) from the foot of the ladder from the wall.

19 m

8.5 m

9.5 m

12.5 m

✅ Correct Option: 3

The distance from the wall is the base of the right triangle.

$\cos 60^\circ = \dfrac{\text{base}}{19}$

Base $= 19 \times \dfrac{1}{2} = 9.5$ m.

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Solution

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