# data[].attributes.body
½ r² ∅
r- radius
∅- the angle in radians subtended by the arc at the centre of the circle.

# data[].attributes.body
Length=(0'/360')2pir
r-radius
pi-3.1415926535

# 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 and k- are the midpoint of the circle
r- radius
x- the x intercept of the circle
y- y intercept of the circle

# data[].attributes.body
A=pir^2
A-area
r-radius
pi-3.1415926535...

# data[].attributes.body
C=2piR
C-circumfrance
R-radius
pi-3.1415926535...

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

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

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

# data[].attributes.body
is 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 to radians.

# data[].attributes.body
is a portion of the circumference of a circle. In the figure above, the arc is the blue part of the circle.

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

# data[].attributes.body
a curve is a line that (locally) intersects two points on the curve.

# data[].attributes.body
a circle is a straight line segment whose endpoints both lie on the circle.

# data[].attributes.body
to a plane curve at a given point is the straight line that "just touches" the curve at that point.

# data[].attributes.body
Distance from the center of the circle to the edge of the circle.

# data[].attributes.body
Distance across the length of a circle

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