It is known that we are given a rectangular shape. So, let’s determine what the perimeter of a rectangular figure is equal to.
The perimeter of a rectangular shape is the sum of the lengths of all sides of the shape. A rectangle has 2 pairs of sides, in which the sides are equal and parallel to each other.
It is known that the first side of the rectangle is 9 cm, and the second is 5 cm less. Means:
The length of the second side of the rectangle = the length of the first side – 5 cm = 9 cm – 5 cm = 4 cm.
Find the perimeter:
Perimeter = first side * 2 + second side * 2 = 8 + 18 = 26 cm.
Answer: 26 cm.
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.