College Algebra Trig Quiz B 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 14 ft B A Not drawn to scale 2. Find the lengths of the missing sides in the triangle. y 4 45° x Not drawn to scale 3. 5 x 60° 10 Not drawn to scale 4. Write the tangent ratios for P 13 5 R Q 12 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 to the nearest degree. 100 ft A 249 ft 7. 8 18 x Not drawn to scale 8. 19 x 10 Not drawn to scale 9. To approach the runway, a small plane must begin a 5 descent starting from a height of 1405 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? 1405 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. Round to the nearest degree.