01 the tangent ratio.notebook
2.1 The Tangent Ratio
September 20, 2010
2. the tangent ratio for a right triangle ­ TOA
1. classifying the sides of a right triangle according to a fixed angle
Opposite Adjacent Hypotenuse
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3. Determine the tangent ratio for each lettered angle.
4. Determine the tangent ratio of each angle (use 4 decimal places)
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5. On the grid illustrate these tangent ratios. Label the angle.
6. Determine the measure of each angle. Round to the nearest tenth of a degree. Make sure you set the calculator MODE to Degree.
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01 the tangent ratio.notebook
September 20, 2010
7. If tan(X) = 0.37 , then what is angle X to the nearest tenth of a degree?
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8. The roof of a house is pictured below. Calculate the angle of elevation of each side of the roof to the nearest degree.
Sep 17­12:12 PM
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9. A highway road rises 85 cm for every 25 m horizontal distance. To the nearest degree, calculate the angle of elevation of the road.
Sep 17­12:15 PM
10. A set of basement steps are pictured below. Calculate (to the nearest degree) the angle of elevation of the steps.
Sep 17­12:20 PM
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