The circumference of a circle can be found using the formula C = 2πr, where C is the circumference and r is the radius.
Given that the radius is 63, we can substitute this value into the formula:
C = 2 * 3.14 * 63
C = 6.28 * 63
C ≈ 395.04 (rounded to the hundredths place)
Therefore, the approximate circumference of a circle with a radius of 63 is 395.04.
What is the approximate circumference of a circle that has a radius of 63? Use 3.14 for π and express your answer to the hundredths place.
7 answers
What is the approximate circumference of a circle that has a diameter of 20? Use 3.14 for π and express your answer to the tenths place.(1 point)
The circumference of a circle can be found using the formula C = πd, where C is the circumference and d is the diameter.
Given that the diameter is 20, we can substitute this value into the formula:
C = 3.14 * 20
C = 62.8 (rounded to the tenths place)
Therefore, the approximate circumference of a circle with a diameter of 20 is 62.8.
Given that the diameter is 20, we can substitute this value into the formula:
C = 3.14 * 20
C = 62.8 (rounded to the tenths place)
Therefore, the approximate circumference of a circle with a diameter of 20 is 62.8.
A circle has an approximate circumference of 574 meters. What is the circle’s diameter, rounded to the nearest tenth? Use 3.14 for π. (1 point)
The circumference of a circle can be found using the formula C = πd, where C is the circumference and d is the diameter.
Given that the circumference is approximately 574 meters, we can use this formula to solve for the diameter.
574 = 3.14d
To isolate the diameter, divide both sides of the equation by 3.14:
d = 574/3.14
d ≈ 182.1 (rounded to the nearest tenth)
Therefore, the circle's diameter, rounded to the nearest tenth, is approximately 182.1 meters.
Given that the circumference is approximately 574 meters, we can use this formula to solve for the diameter.
574 = 3.14d
To isolate the diameter, divide both sides of the equation by 3.14:
d = 574/3.14
d ≈ 182.1 (rounded to the nearest tenth)
Therefore, the circle's diameter, rounded to the nearest tenth, is approximately 182.1 meters.
The radius of a circle is 75 mm. What is the approximate area of the circle? Write your answer to the tenths place. Use 3.14 for π.(1 point)
The area of a circle can be found using the formula A = πr^2, where A is the area and r is the radius.
Given that the radius is 75 mm, we can substitute this value into the formula:
A = 3.14 * (75)^2
A ≈ 3.14 * 5625
A ≈ 17671.25 (rounded to the tenths place)
Therefore, the approximate area of the circle is 17671.3 square millimeters.
Given that the radius is 75 mm, we can substitute this value into the formula:
A = 3.14 * (75)^2
A ≈ 3.14 * 5625
A ≈ 17671.25 (rounded to the tenths place)
Therefore, the approximate area of the circle is 17671.3 square millimeters.
7 answers