Calculate the area of a circle with a diameter of 8 cm?
| May 6, 2021 | education
The area of a circle S is determined by the formula S = п * R ^ 2. п = 3.14, R is the radius of the given circle. Since the diameter of the circle is equal to two of its radii, the radius is equal to half the length of the diameter. Therefore, R = 8/2 = 4 cm.Now we substitute the data into the expression S = п * R ^ 2 = 3.14 * (4) ^ 2 = 3.14 * 16 = 50.24 square centimeters.
Answer: S = 50.24 square centimeters.
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.
