Respuesta :

Answer:

Blue circle=9π-28.284

Yellow circle=23/2π-36.128

Step-by-step explanation:

the circumfrence is worked out using the equation =pi x diameter

hope this helps ;) xx

lilpopato13
Circumferences formula: C=pi x d

Now we’re adding 9 + 2.5 (diameter)

Which is 11.5

Pi = 3.14

C = 3.14 x 11.5 = 36.11

Answer: 36.11

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