The area of a circle is given in terms of its radius by
A = π · r²
Your circle has r=4 (half the diameter) and you want π=3.14. Using these values in the formula gives
A = 3.14 · 4²
This matches your first selection
3.14 · 4²
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I got -6/25 Sorry I can't really explain this try web2.0calc.com it helps alot with math.
Answer:
50/100 and .50
Step-by-step explanation:
