1. An angle of 240" expressed in radians is: A. B. C. = D. 1. 2. Convert 3.8 radians to degrees to 1 decimal place. A. 217.8' B. 23.6" C. 64.5 D. 198.30 2. 3. Calculate the are length that subtends an angle of 1.64 radians at the centre of a circle with radius 20 m. A. 164 m B. 9.Am C. 32.8 m D. 103.0 m 3. The radian measure of an angle is . - The are that subtends the angle has a length of 4# . Determine the radius of the circle. A. 3 B. C. 67 Version 1 2019 Page 8 of 14 Test A Pre-Calculus 12 Unit 5 Test A On-Line Course D. 6