Alma is skiing along a circular ski trail that has a radius 3.1 km long. She starts at the 3 o'clock position (the easternmost point on the trail) and travels in the counterclockwise direction. Alma stops skiing when she is -1.429 km east and 2.751 km north of the ski trail's center. Imagine an angle with its vertex at the center of the ski trail that subtends the path Alma skis. a. How many radians has the angle swept out since Alma started skiing? radians Preview b. How many km has Alma traveled since she started skiing? km Preview Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity Submit Question 3. Points possible: 2 This is attempt 1 of 3. License