# data[].attributes.body
A = N/360 πr^2
N= central angle
r= radius

# data[].attributes.body
Al = N/360 2πr
Al = arc length
N= central angle
r = raidus

# data[].attributes.headline
Standard Form of the Equation of a Circle

# data[].attributes.subject
Standard Form of the Equation of a Circle

# data[].attributes.body
(x – h)² + (y – k)² = r2
(h,k) = center
r= radius

# data[].attributes.body
A= πr^2
A= area
r= radius

# data[].attributes.body
C= 2πr
C= circumference
r= radius

# data[].attributes.body
"an angle formed by two chords in a circle which have a common endpoint"

# data[].attributes.body
"an angle with endpoints and located on a circle's circumference and vertex located at the circle's center"

# data[].attributes.body
"a half of a circle or of its circumference"

# data[].attributes.body
"an arc of a circle having measure greater than or equal to radians"

# data[].attributes.body
"an arc of a circle having measure less than or equal toradians"

# data[].attributes.body
"a part of the circumference of a circle or other curve"

# data[].attributes.body
"the plane figure enclosed by two radii of a circle or ellipse and the arc between them"

# data[].attributes.body
"a straight line that cuts a curve in two or more parts"

# data[].attributes.body
"the line segment connecting two points on a circle's circumference"

# data[].attributes.body
"a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point"

# data[].attributes.body
"a straight line from the center to the circumference of a circle or sphere

# data[].attributes.body
"a straight line passing from side to side through the center of a body or figure, especially a circle or sphere"

# data[].attributes.body
"a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center)"