Concept explainers
To state: Whether the statement is true or false. If false, replace the underlined word(s) to make a true statement.
An angle of elevation is the angle between a horizontal line and the line of sight from the observer to an object at a lower level.
Answer to Problem 1SGA
False, depression
Explanation of Solution
Given information: An angle of elevation is the angle between a horizontal line and the line of sight from the observer to an object at a lower level.
Calculation:
An angle of depression is the angle between a horizontal line and the line of sight from the observer to an object at a lower level.
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