Find the area of a rectangle whose length is 5 and 10 centimeters.

The formula for finding the area of a rectangle is:
S = a * b,
where a and b are the sides of the rectangle.
If the length is 10 cm and the width is 5 cm, then the area of the rectangle will be:
10 * 5 = 50 cm².
Answer: the area of this rectangle is 50 cm².

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.