24. ARST is a right triangle with m _S = 90. Cos R = 15, 17; Find sin R. A. 8 17 B. 8 15 17 C. B D. 17 15 25. Find the measure of x to the nearest tenth. B 10 cm 8 cm 15 em A. 29.5 B. 38.5 C. 112.4" D. 54.4 26. Use either the Law of Sines or the Law of Cosines. In ADEF, d = 15 in., e = 18 in., and f = 10 in. Find m ZE. A. 111.7" B. 56.3" C. 89.8 D. 24.5 27. Find the measure of x to the nearest tenth. 78- * CR B A. 21.6 B. 15.9" C. 33.7" D. 46.1"