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Name _______________________________________ Date ___________________ Class __________________ 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. ________________________________________ 4. Write sinR as a decimal. ________________________________________ 5. Find JK to the nearest whole number. ________________________________________ 6. A skateboard ramp makes a 22 DEGREE angle with the ground. To the nearest foot, how high is the ramp? ________________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date ___________________ Class __________________ 7. Which angle of ABC has a sine of 0.8? ________________________________________ 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.) ________________________________________ 9. Classify 3 as an angle of elevation or angle of depression. ________________________________________ 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? ________________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date ___________________ Class __________________ 11. Tell whether you would use the Law of Sines or the Law of Cosines to find DF. ________________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date ___________________ Class __________________ 12. Find BC to the nearest whole number. ________________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry