1. Find cos B exactly if a = 15, b = 11, and angle C is a right angle. (1 point) E 11 E 15 M1346 15 15 346 2. A 10 ft. tent pole has a support rope that extends from the top of the pole to the ground. The (1 point) rope and the ground form a 30 angle. How long is the rope, rounded to the tenth place? 20.0 ft. 17.3 ft. 11.5 ft. 3.0 ft. 3. Find 0, the hypotenuse, rounded to four decimal places, in a right triangle with b = 16 and B = (I point) 55. 11.2033 19.5324 22.6274 27.8951 4. A 10 ft. ladder is resting against the wall. The ladder touches the ground 6 ft. away from the (I point) wall. What angle, rounded to the nearest tenth, is the bottom of the ladder making with the ground? 31.0 36.9 53.1 59.0 5. In a right triangle with legs 5 cm and 12 cm long, find the measure of the smallest angle. (1 point) O22.60 O24.60 65.40 067.40 6. Given sin = _, find a, the other angle in the right triangle. (1 point) 031.0 036.90 053.10 089.807. In a right triangle with a leg of 4 and a hypotenuse of 8, nd the measures of all angles. (1 point) 27, 63, 90 30, 60, 90 40, 50, 90 45, 45, 90 8' Convert TN to degrees. (1 Paint) 18 4623 _7Do -350 l.2