Find the area of a sector of circle of radius 21 cm and central angle 120°.
A. 441 cm2
B. 462 cm2
C. 386 cm2
D. 512 cm2
Answer:B
Find the area of a sector of circle of radius 21 cm and central angle 120°.
A. 441 cm2 B. 462 cm2 C. 386 cm2 D. 512 cm2
Explanation: Given, radius (r) = 21 cm