# data[].attributes.body
½ r² ∅

# data[].attributes.body
Length=θ°360°2πr

# 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

# data[].attributes.body
A=πr^2

# data[].attributes.body
C=2πr

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

# data[].attributes.body
the angle that forms when two radii meet at the center of a circle

# 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
is an arc of a circle having measure less than or equal to ( radians)

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

# data[].attributes.body
The part of a circle enclosed by two radii of a circle and their intercepted arc.

# data[].attributes.body
the ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right-angled triangle); the reciprocal of a cosine.

# data[].attributes.body
a straight line joining the ends of an arc.

# 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