Alex made $28.74 for three hours of work at his job at the pet store . If he works a total of 40 hours in one week , how much mo
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Answer:
A =
Step-by-step explanation:
Area of a circle is:
A = πr²
We are given a radius of 20 cm.
A = πr²
A = π(20)²
A = π400
<em>A = 400πcm²</em>
Hope this helps.