A hoop is resting vertically at stair case as shown in the diagram. AB = 12 cm and BC = 8 cm. The radius of the hoop is
A. 13 cm
B. 12 √2 cm
C. 14 cm
D. 13 √2 cm
Answer:A
A hoop is resting vertically at stair case as shown in the diagram. AB = 12 cm and BC = 8 cm. The radius of the hoop is
A. 13 cm B. 12 √2 cm C. 14 cm D. 13 √2 cm