Respuesta :
Answer:
66 cm
Step-by-step explanation:
Diameter of the circle = 21 cm
π = 22/7
Circumference of a circle, C= πD
C = 22/7 * 21
C = 22 * 3 * 7 / 7
C = 22 * 3
C = 66 cm
Answer:
66 cm
Step-by-step explanation:
Diameter of the circle = 21 cm
π = 22/7
Circumference of a circle, C= πD
C = 22/7 * 21
C = 22 * 3 * 7 / 7
C = 22 * 3
C = 66 cm
