1) is a perfectly round shape figure that has no corners or edges. a) circle b) center 2) is the measurement of the boundary of the Circle. a) arc b) circumference 3) is a pie shaped parts of a circle made by the arc of the circle along with it's two radii. a) sector b) radius 4) is a straight line that intersects a circle at two points. a) Secant b) diameter 5) A line that touches the circles edge at a single point is known as tangent to a circle. a) tangent b) chord

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