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Right Triangles and Trigonometry
REVIEW FOR CH 8 TEST
Use the figure for Exercises 3 and 4.
3. Write the tangent of T as a fraction.
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4. Write sinR as a decimal.
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5. Find JK to the nearest whole number.
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6. A skateboard ramp makes a 22 DEGREE angle with the ground. To the nearest foot, how
high is the ramp?
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Holt McDougal Geometry
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7. Which angle of ABC has a sine of 0.8?
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8. A wheelchair ramp has a rise from the ground of 1 foot. The ramp has a length of 14 feet. To
the nearest degree, find the angle the ramp makes with the sidewalk. (The figure is not drawn
to scale.)
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9. Classify 3 as an angle of elevation or angle of depression.
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10. When the angle of elevation of the sun is 638, a tree casts a shadow that is 27 feet long. To
the nearest foot, how
tall is the tree?
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Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
11. Tell whether you would use the Law of Sines or the Law of Cosines to find DF.
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Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
12. Find BC to the nearest whole number.
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Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry