Angles of Elevation and Depression (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is an angle of elevation?
What is an angle of elevation?
Angle measured upward from horizontal
What is an angle of depression?
What is an angle of depression?
Angle measured downward from horizontal
Why are angle of elevation and angle of depression equal in the same situation?
Why are angle of elevation and angle of depression equal in the same situation?
They form alternate angles
From which line are angles of elevation and depression always measured?
From which line are angles of elevation and depression always measured?
Horizontal line
Which ratio is useful when you know the angle and horizontal distance to find height?
Which ratio is useful when you know the angle and horizontal distance to find height?
Tangent
A ranger measured angle of elevation to ash plume as . Volcano is km away. Find height.
A ranger measured angle of elevation to ash plume as . Volcano is km away. Find height.
km
Which ratio should you use when finding straight-line distance with opposite side and angle known?
Which ratio should you use when finding straight-line distance with opposite side and angle known?
Sine
Cliff is m high. Angle of depression to ship is . Find horizontal distance to ship.
Cliff is m high. Angle of depression to ship is . Find horizontal distance to ship.
m
Same cliff ( m). Angle of depression . Find straight-line distance from top to ship.
Same cliff ( m). Angle of depression . Find straight-line distance from top to ship.
m
When should you round your answer in elevation/depression problems?
When should you round your answer in elevation/depression problems?
Only at the final step