## 10.3.2 Angles of Elevation and Depression, Paper 1 (Short Questions)

Question 4: Diagram below shows three vertical poles JP, KN and LM, on a horizontal plane. The angle of elevation of N from P is 15o. The angle of depression of M from N is 35o. Calculate the distance, in m, from K to L.   Solution: tan ∠ A P N = A N … Read more

## 10.3.1 Angles of Elevation and Depression, Paper 1 (Short Questions)

Question 1: Diagram below shows two vertical poles on a horizontal plane. J, K, L, M and N are five points on the poles such that KL = MN.Name the angle of elevation of point J from point M.   Solution: Angle of elevation of point J from point M = ∠KMJ Question 2: Diagram … Read more

## 10.2 Solving Problems Involving Angles of Elevation and Depression

Example: The angle of depression of a cycling kid measured from a hill with 10.9 m high is 52o. When the kid cycles along the hillside and stops, the angle of depression becomes 25.3o. What is the distance cycled by the kid along the hillside?   Solution: Step 1: Draw a diagram to represent the situation. … Read more

## 10.1 Angles of Elevation and Depression

10.1 Angle of Elevation and Angle of Depression 1. Angle of elevation is the acute angle measured from a horizontal line up to the line of sight. Example 1: Angle of elevation of object O from P = ∠OPA 2. Angle of depression is the acute angle measured down from a horizontal line to the line of sight. … Read more