Question

б.) Нехай Р -периметр прямокутника , а і в -його сторони. Запиши формулу для обчислення периметра Р прямокутника. Знайди Р, якщо а=11 см, в= 8см. Помогите пожалуйста

Answer 1

Периметр прямокутника: 2(a + b)

P = 2(11 + 8) = 2 * 19 = 38 см

Answer 2

Formula for Calculating the Perimeter of a Rectangle

The perimeter (P) of a rectangle can be calculated using the formula:

P = 2(a + b)

Where: - P represents the perimeter of the rectangle - a represents the length of one side of the rectangle - b represents the length of the other side of the rectangle

Calculation of Perimeter with Given Values

In this case, we are given that a = 11 cm and b = 8 cm. To find the perimeter (P), we can substitute these values into the formula:

P = 2(11 + 8)

Simplifying the expression inside the parentheses:

P = 2(19)

Calculating the product:

P = 38

Therefore, the perimeter of the rectangle is 38 cm when a = 11 cm and b = 8 cm.

Please let me know if there's anything else I can help you with!