The problem shows a rectangle $ABCD$, with side lengths labeled:

• $AB = 22$
• $AD = 16$

In a rectangle, opposite sides are equal. Therefore:

• The length of $BC$ is the same as the length of $AB$, which is 22 units.

Thus, the correct answer is C. 22.

Would you like more details, or do you have any other questions?

Here are five related questions:

1. How do we calculate the perimeter of a rectangle?
2. What is the formula for the area of a rectangle?
3. How are opposite sides of a rectangle related?
4. Can the Pythagorean Theorem be applied to find the diagonal of a rectangle?
5. What are the properties of a rectangle in terms of angles?

Tip: For any rectangle, opposite sides are always equal, and the angles are all right angles (90 degrees).