3 years ago

Help me plzzzzzzzzzzzzzzzzzzzzzzzzz

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

7 0

Answer:

Step-by-step explanation:

1. 12+6 = 18 so that's the diameter of the big circle

2. next we take the square of 18 and multiply it by pi (324x3.14)

3. answer: 1017.36

aivan3 [116]3 years ago

5 0

Answer:

254.34

Step-by-step explanation:

12 + 6 = 18/2 = 9

A=πr2=π·92 ≈ 254.34

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