Question 79
Determine the area of the part of the plane defined by
$$
\left\{\begin{array}{l}
x^{2}+y^{2}-4 y \leq 0 \\
x^{2}-3 x+2 \leq 0
\end{array}\right.
$$
$$
\left\{\begin{array}{l}
x^{2}+y^{2}-4 y \leq 0 \\
x^{2}-3 x+2 \leq 0
\end{array}\right.
$$