Respuesta :

0201510

Answer:

1. 12,469

2. 5.2

3. I don't know sorry!

Step-by-step explanation:

1. Divide the diameter by 2 which gives you 63

So, A = πr2 = π·63^2 ≈ 12468.98

2. Looks like the bigger triangle is twice as big as the smaller circle

so, 2.6 x 2= 5.2

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