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A water sprinkler sends water out in a circular pattern. How large is the watered area if the radius of the watering pattern is 21 ​ft?

Answer :

Answer:

1386 ft^2

Step-by-step explanation:

Area of a circle = πr²

Where : = π = pi = 22/7

R = radius  

22/7 x 21^2 = 1386 ft^2