Circles Chapter 12 Test Form B Circle the best answer. 1. Which is a chord? А B 5. Which sector does NOT have an area of Зл? A central angle 1358; radius 22 B central angle 808; radius 3 C central angle 67.58; radius 4 D central angle 2708; diameter 4 6. Which arc has a length of 5x units? F arc measure 458; radius 10 G central angle 908; radius 10 H arc measure 908; radius 5 J central angle 458; diameter 20 7. What is m VXU? A AE CBD Suu B BE DOC 2. A plane is cruising at an altitude of 30,000 feet. What is the distance, to the nearest mile, from the plane to the horizon? 130 60° w 4000 mi 90° F 213 mi H 8,500,000 mi G 4000 mi J Not here 3. Which of these arcs has a measure of 1348? A 308 C 658 B 458 D 1058 8. Quadrilateral PQRS is inscribed in a circle. The ratio of mZP to mZR is 2: 4. What is mZR? F 308 H 1208 G 608 J Not here 9. What is m JKM? 202 Н. 46% G F 56° A EJ B BF 4. What is BD? с ÉG BH M 187° 4.5 A 288 B 58.58 C 908 D 1178 B D 4 А F 7.5 G 8.5 H 9.4 J 15