Answer:
The answer to your question is 13.2
Explanation:
To figure out the answer to this equation you have to multiply by pi or 3.14
C. 55.4
Formula: A = π • r²
A= 3.14 • 4.2²
4.2 • 4.2
17.64 • 3.14
A=55.3896
A=55.4
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