Question

3. A ladder leaning against a wall

makes an angle of 68° with the
ground. If the foot of the ladder is 4
feet from the wall, how high on the
wall is the ladder, to the nearest
tenth of a foot?

Answer 1

tangent 68° = opposite / adjacent

opposite (wall height) = tan (68) * 4 feet

opposite (wall height) = 2.4751 * 4 feet

opposite (wall height) = 9.9004 feet or

9.9 feet (to the nearest tenth of a foot).

Explanation: