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d = 9.55 cm
Torey Greenfelder
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What is the diameter of a circle if its radius is 30cm?
60cm
What is the diameter of a circle if the circumference is 30cm?
30/pi cm
What is the area of a circle where the diameter measures 30 cm?
Diameter = 30cm so radius = 15 cm. Then Area = pi*r2 = 706.9 cm2
What are two ways a circle and a cylinder the same?
The bases of a cylinder are circles and both have circumferences Area of the base of cylinder and a circle is pi*radius2 Circumference of a cylinder and a circle is 2*pi*radius or diameter*pi
Calculate the circumference of a circle with each diameter?
Multiply each of the diameters by pi (pi = 3.14159265 or 3.14 for rough approximation) to find the circumferences of the circles.
What is the diameter of a circle if its radius is 30cm?
60cm
If the circumference of a circle is 30cm what is the diameter?
d = 9.55 cm
What is the diameter of a circle if the circumference is 30cm?
30/pi cm
What is the circumference of a circle with a diameter of 30cm?
circumference = diameter X pi pi = 3.1416 circumference = 30cm X 3.1416 = 94 cm
If a circle has the diameter of 14 inches then what is its circumferences?
14 pi inches = a whisker under 44 inches
What are circumferences?
The perimeter of a circle
What is the area of a circle where the diameter measures 30 cm?
Diameter = 30cm so radius = 15 cm. Then Area = pi*r2 = 706.9 cm2
What are two ways a circle and a cylinder the same?
The bases of a cylinder are circles and both have circumferences Area of the base of cylinder and a circle is pi*radius2 Circumference of a cylinder and a circle is 2*pi*radius or diameter*pi
Calculate the circumference of a circle with each diameter?
Multiply each of the diameters by pi (pi = 3.14159265 or 3.14 for rough approximation) to find the circumferences of the circles.
What is the formula to finding circumferences?
If it's a circle, then it's pi*diameter or 2*pi*radius.If it is an ellipse, the circumference (perimeter) is an infinite series with an approximation based on its eccentricity (which for a circle is zero).(see the related link)
What are the circumferences of the planets?
It is the planet's diameter multiplied by pi
What is the area of a circle with diameter 30cm?
Area = π*d2 / 4 d = 30 cm => area = 706.86 sq cm
