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How many diameters are in a circumference?
Pi, or 3.14159... Using the equation Circumference = pi * diameter.
How do you find the radius using the circumference?
The equation for circumfrance is 2(pi)r (pi meaning the constant 3.14159, rounded). To find the radius if the circumfrance is known, you would re-arrange this equation to solve for r - it would go from C=2(pi)r into r=C/2(pi). c = circumference, r = radius. If the circumference is 2*pi*r, then r = c/(2*pi)=
How do you find the radius of a circle using an equation?
What do you have? The area of the circle or the circumference? Area: divide the area by pi, then square root it Circumference: divide the circumference by 2 then divide it by pi
How do you find the area of a circle if you have the radius?
The equation for the area of a circle = pi x radius². First square your radius (multiply it by itself) Then multiply it by pi, which you may use either by using the pi button on your calculator or by using an approximate value of 3.1416 (3.14 will be close).
What is the definition for in terms of pi?
in terms of pi- when using the symbol for pi instead of 3.14 or 22/7 in the end result of an equation
How do you write an equation while using circumference?
Diameter = Circumference/pi
Area of a Circle using Function in C?
To find the area of a circle using the circumference, you need to use the formula Area=Circumference squared divided by four times pi. For this type of equation, pi would be equal to 3.14.
What is the area of a circle with a radius of 21cm?
A circle with the radius of 21cm would have an area of approximately 1384.74 cm. You would find this by using the equation of pi*(radius^2) = pi*(21^2).
How can you find circumphrence?
Equation: circumphrence = diameter * Pi (3.14159)
What is the circumference of an area if the diameter is 6?
If you mean a circle, the circumference is diameter times pi. Pi is approximately 3.14. The area is pi times the radius squared. The radius can be found using the equation: A = pi(r2), so 6 = 3.14(r2) r = about 1.3824 The diameter can be found using the equation: r = 2d, so d = about 2.7647 The circumference can be found using the equation: C = pi(d), so C = 3.14(2.7647), so C is about 8.68
What is the equation of Pi?
there is no equation of Pi Circumference divided by diameter
How do you Find the circumference of a circle using pi?
pi times diameter
