Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree. The figure shows right triangle A R V. Angle A is a right angle. The length of leg A V is 4.6 units. The length of leg A R is 12 units. RV 12.85; mV 69; mR 21 RV 12.38; mV 67; mR 23 RV 12.85; mV 21; mR 69 RV 12.38; mV 23; mR 67