Download Trigonometry Relationships

Note 3: Applications of
Trigonometry
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Draw a diagram of a rightangled triangle.
Put the measurements on the
diagram, placing the unknown
as x.
Solve for x leaving your
answer in sentence form.
Example: A ramp is 20m long and makes
an angle of 14° with the horizontal.
Calculate the height of the ramp above
the ground.
X
20m
14°
Example: A ramp is 20m long and makes
an angle of 14° with the horizontal.
If the ramp is to be made steeper to
22°, but keep the height the same, how
long would the ramp be?
4.84m
X
22°
Worksheet