Nine birds are sitting on the power line. Three more birds arrive at the same time five of the birds fly off. How many birds are
1 answer:
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Answer:
314.16 in²
Step-by-step explanation:
If the diameter is 20", then the radius is 10" (1/2 the diameter).
Area of a circle is ²
So, π 10² = 100π = 314.16 in²