Question

An escalator in a shopping centre from level 1 to level 2 is 22 m in length and has an angle of elevotion of 16 Deiermine how high level 2 is above level to one decima place.

Answer 1

Step by Step:

1. Draw a triangle with the measures given

2. use sin16 to find the side opposite angle 16

2. (Extended) Sin16=x/22

3. Multiply by 22 on both sides

4. Level 2 is 6.1 units above level 1