A sprinkler sprays water in a circle. the distance from the sprinkler to the outer edge of the circle is 2.5 m
what is the approximate area that is watered by the sprinkler? (use 3. 14 as an estimate for pie)

a.) 4.9 m2
b.) 15.7 m2
c.) 19.6 m2
d.) 78.5 m2