Respuesta :
Answer:
56.52
Step-by-step explanation:
the area is pi times radius times 2
the radius is half the diameter so 9 times 3.14 times 9 is 28.26 and 28.26 times 2 is 56.52
Answer:
56.52
Step-by-step explanation:
the area is pi times radius times 2
the radius is half the diameter so 9 times 3.14 times 9 is 28.26 and 28.26 times 2 is 56.52
