Ryan has a pizza in the shape of a circle where the circumference of the pizza is 15.7 inches.
A. Which expression could be used to find the length of the diameter of the pizza?
A. (2 * 15.7)/π
B. 15.7/2π
C. 15.7/π
D. 15.7 + π
B. What is the approximate diameter of the pizza?
A) C.15.7/π
B) 1570 / 3.14 = 5
A. To find the length of the diameter of the pizza, we can use the formula: diameter = circumference / π. From the answer choices, we can see that the expression (15.7 / π) correctly represents this formula, so the answer is C. 15.7/π.
B. To find the approximate diameter of the pizza, we can substitute the given circumference value, 15.7 inches, into the formula diameter = circumference / π. Plugging in the values, we have diameter = 15.7 / π ≈ 4.999 inches. Therefore, the approximate diameter of the pizza is approximately 4.999 inches.
From Internet:
To calculate a circle's diameter from its circumference, one should divide the circumference by the constant pi, which is an irrational number approximately equal to 3.14159265358979.