# data[].attributes.headline
		
	
	
		
			
				
					area of a sector. 
				
			
		

# data[].attributes.subject
		
	
	
		
			
				
					area of a sector. 
				
			
		

# data[].attributes.body
A=n/360(pie)r^2

# data[].attributes.headline
		
	
	
		
			
				
					arc length 
				
			
		

# data[].attributes.subject
		
	
	
		
			
				
					arc length 
				
			
		

# data[].attributes.body
Length=n/360 2(pie)r
Length=n/360(pie)d

# 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=πr2

# 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 an angle whose apex is the center of a circle and whose legs are radii intersecting the circle in two distinct points A and B.

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

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

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

# data[].attributes.body
An arc is a portion of the circumference of a circle.

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

# data[].attributes.body
The ratio of the hypotenuse to the shorter side adjacent to an acute angle the reciprocal of a cosine.

# data[].attributes.body
A chord of a circle is a straight line segment whose endpoints both lie on the circle. A secant line, or just secant, is the infinite line extension of a chord. More generally, a chord is a line segment joining two points on any curve

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