True or false: heights and distances

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The line of sight runs from the observer's eye to the point being viewed.

2. Statement is true

   No

   Statement

   The angle of elevation is measured from the vertical.

3. Statement is true

   Yes

   Statement

   When the object viewed is below the horizontal, the angle is one of depression.

4. Statement is true

   Yes

   Statement

   We raise our head to look at an object that is above the horizontal level.

Instructions

Decide whether each statement about sight lines is true or false.

Explanation