Calculate the perimeter of the given polygons. Polygon e has sides 3.3, 3.3, 2.1, 5.67, 3.3 cm. Polygon f has sides 3, 2.5, 3.75 cm.

The side lengths are $3.3 \text{ cm}$, $3.3 \text{ cm}$, $2.1 \text{ cm}$, $5.67 \text{ cm}$, and $3.3 \text{ cm}$.

The perimeter of the V-shaped polygon is $\boxed{\text{17.67 cm}}$.

The side lengths are $3 \text{ cm}$, $2.5 \text{ cm}$, and $3.75 \text{ cm}$.

The perimeter of the triangle is $\boxed{\text{9.25 cm}}$.