Objectives:
|
|
| |
Formulas: |
Special Triangles
Possible
Classroom Examples:
- Use Trigonometric ratios to find the unknown sides and angles in
the right triangles below:
- Use Trigonometric ratios to find the unknown sides and angles in
the right triangles below:
- A support cable runs from the top of the telephone pole to a
point on the ground 42.7 feet from its base. If the cable makes an
angle of 29.6 with the ground, find (rounding to the nearest tenth of
a foot)
- the height of the pole
- the length of the cable
- You are hiking along a river and see a tall tree on the
opposite bank. You measure the angle of elevation of the top of the
tree and find it to be 61.0. You then walk 50 feet directly away from
the tree and measure the angle of elevation. If the second measurement
is 49.5, how tall is the tree? Round your answer to the nearest foot.
© 2007 Elizabeth E. K. Jones and the
ASU
Department of
Mathematics and Statistics - All rights reserved.