Circle
:)
Length of circumference. C = 2πr = πd.
Area: πr2.
c is the center of the circle and r is the radius.
||p - c || = r. p is a point on the circle.
Diameter D = 2r.
Circumference C = 2πr
Area A = πr2
:)
Length of circumference. C = 2πr = πd.
Area: πr2.
c is the center of the circle and r is the radius.
||p - c || = r. p is a point on the circle.
Diameter D = 2r.
Circumference C = 2πr
Area A = πr2