Answer:
pi or 1 pi
Explanation:
Area = 1/4 * pi * r^2 (because it is 1/4 of a full circle)
1/4 * pi * 2^2 (the radius is 2 because it is given in the picture)
1/4 * pi * 4 = 1 pi
area = pi
hope this helps! <3
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