# data[].attributes.body
½ r² ∅

# data[].attributes.body
Length=θ°/'360°x2πr

# 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 inscribed angle is an angle formed by two chords in a circle which have a common endpoint

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

# data[].attributes.body
a semicircle is a one-dimensional locus of points that forms half of a circle

# data[].attributes.body
A major arc (right figure) is an arc of a circle having measure greater than or equal to ( radians).

# data[].attributes.body
A minor arc (left figure) is an arc of a circle having measure less than or equal to ( radians)

# data[].attributes.body
an arc is any smooth curve joining two points

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

# data[].attributes.body
secant of a curve is a line that intersects the curve in at least two (distinct) points

# data[].attributes.body
A line segment connecting two points on a curve

# data[].attributes.body
A tangent to a circle is a straight line which touches the circle at only one 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)