The value that occurs most frequently in the given data is called .

$\frac{\text{ Circumference of a circle }}{\text{ Diameter of a circle }}=\pi$

 The area of a triangle, whose base is $25 \mathrm{cm}$ and height is $8 \mathrm{cm}$, is $200 {\mathrm{cm}}^2$.

 The length of a rectangle is $16 \mathrm{cm}$ and diagonal is $20 \mathrm{cm}$. Its area is $192 {\mathrm{cm}}^2$.