81pie square yards, the formula of area of circle is pie•r cubed,
The most appropriate choice for square root will be given by-
lies between 3 and 4
What is square root of a number?
Number raised to the power
is the square root of the number.
Here

3.464 lies between 3 and 4
lies between 3 and 4
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Answer:
$7.5
Step-by-step explanation:
3/.4
The answer is 70 the third option.