Respuesta :
Answer:
66 cm
Step-by-step explanation:
Diameter (d) = 21 cm
[tex]C = \pi \: d = \frac{22}{7} \times 21 = 22 \times 3 = 66 \: cm[/tex]
Answer:
66 cm
Step-by-step explanation:
Diameter (d) = 21 cm
[tex]C = \pi \: d = \frac{22}{7} \times 21 = 22 \times 3 = 66 \: cm[/tex]