Use 3.14 for pi.
Asphere=π*r2
We are using 3.14 for pi and the radius is 25, so let's fill in the problem.
Asphere=3.14*252
3.14*252 = 1962.5
So, the area of the circle is ≈1962.5 units2
\(A_{circle}=\pi r^2\\ A_{circle}=\pi \times25^2=625 \pi=1963.495408\dots\)
Answer:1963.5
Use 3.14 for pi.
Asphere=π*r2
We are using 3.14 for pi and the radius is 25, so let's fill in the problem.
Asphere=3.14*252
3.14*252 = 1962.5
So, the area of the circle is ≈1962.5 units2