Formula for the area of a circle:
A = πr² (A = area π(pi) = 3.14....... r = radius)
You know:
r = 9.5 cm and you're using 3.14 for π, so substitute/plug it into the equation
A = πr²
A = (3.14)(9.5)² Find 9.5²
A = (3.14)(90.25)
A = 283.385 cm²
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