Right Triangles and Trigonometry 8 Chapter Test Form C ...

Name _____ Date _____ Class _____ Original content Copyright by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Right Triangles and Trigonometry Chapter Test form C 1. Find x, y, and z. _____ 2. A photographer positions a camera on a tripod to take a picture of a grain silo. The lens of the camera is 4 feet 6 inches from the ground. To get the full height of the silo, the camera had to be positioned 18 feet from the base of the silo. How tall is the grain silo? _____ 3. Determine the value of cosB to the nearest hundredth. _____ 4. Complete the chart. 30 45 60 sin cos tan 5. Find the perimeter and area of the triangle. Round to the nearest tenth. _____ 6. Find YZ. Round to the nearest unit. _____ 7. Find m D to the nearest degree. _____ 8. The length of a slide at a water park is 50 feet from the top of the slide to ground level.

Chapter Test Form B continued 9. The angle of elevation from a person lying on the ground to a hot-air balloon is 37 . The balloon is at an altitude of 1500 ... Sample answer: 〈10, −20〉 14. 146° 15. 3 mi/h; 34° or N 56° E Performance Assessment 1. a. 1.96 b. Possible answer: 25 − 1.96 = 23.04;

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