Kyleedeniceego Kyleedeniceego Math Answered A. Determine the circumference of each circle. 1. Circle A with a diameter of 4 cm. 4. Circle D with a radius of 1.5 cm. 2. Circle B with a radius of 3 cm. 5. Circle E with a diameter of 6 cm. 4 184 3. Circle C with a diameter of 2.5 cm.