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College Algebra Trig Quiz A Show all work necessary to receive full credit. Round all side lengths to the nearest tenth and all angle measures to the nearest degree. 1. In triangle ABC, is a right angle and 45. Find BC. C 11 ft B A Not drawn to scale 2. Find the lengths of the missing sides in the triangle. y 7 45° x Not drawn to scale 3. 6 x 60° 12 Not drawn to scale 4. Write the tangent ratios for P 29 21 R Q 20 Not drawn to scale 8.9 cm 5. x and . 6. A large totem pole in the state of Washington is 100 feet tall. At a particular time of day, the totem pole casts a 249-foot-long shadow. Find the measure of . 100 ft A 249 ft 7. 7 15 x Not drawn to scale 8. 21 x 15 Not drawn to scale 9. To approach the runway, a small plane must begin a 9 descent starting from a height of 1125 feet above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach? 1125 ft x Not drawn to scale 10. Find the angle of elevation of the sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14 yards long.