In the formula that gives the circumference of a circle, which quantity is multiplied by 2pi
Answers
Answered by
20
The circumference of a circle is the distance around the circle.
Circumference is given by the formula:
C = πD
Where
C = Circumference
D = Diameter
But when we divide the diameter by 2, we get the radius of the circle
R = D/2
⇒ D = 2R
In the formula C = πD, we can put 2R in place of D, and we will get
C π (2R)
We can re-write this as
C = 2πR
∴The quantity that is multiplied by 2π is R (Radius)
Circumference is given by the formula:
C = πD
Where
C = Circumference
D = Diameter
But when we divide the diameter by 2, we get the radius of the circle
R = D/2
⇒ D = 2R
In the formula C = πD, we can put 2R in place of D, and we will get
C π (2R)
We can re-write this as
C = 2πR
∴The quantity that is multiplied by 2π is R (Radius)
Similar questions