Line it Up
Split it Up
Measure it
Move it
100
A line segment from the center of a circle to a point on the circumference of the circle.
What is a radius?
100
Two points on a circle and the continuous part of the circle between them.
What is an arc?
100
Equal to its intercepted arc.
What is the measure of a central angle?
100
(x, y) --------------> (x + 2, y + 5)
What is a translation?
200
A line segment whose endpoints lie on the circumference of a circle.
What is a chord?
200
Circles with the same center but different radii.
What are concentric circles?
200
On half the measure of its intercepted arc.
What is the measure of an inscribed angle?
200
(x, y) -------------> ( - x, y)
What is a reflection over the y - axis?
300
A line that intersects a circle at a single point.
What is a tangent?
300
An angle whose vertex is the center of a circle and whose sides pass through the endpoints of an arc.
What is a central angle?
300
One-half the sum of its intercepted arcs.
What is the measure of an angle formed by two intersecting chords?
300
(x, y) -----------> ( x, - y)
What is a reflection over the x - axis?
400
A line segment whose endpoints are a point outside the circle and the point of tangency on the circle.
What is a tangent segment?
400
An angle whose vertex lies on the circumference of a circle and whose sides pass through the endpoints of an arc.
What is an inscribed angle?
400
One-half the difference of the measures of its intercepted arcs.
What is the measure of an angle outside a circle formed by two intersecting secants?
400
(x, y) ------------> (y, x)
What is a reflection across the line y = x? or What is a rotation?
500
A line that intersects a circle in two points.
What is a secant?
500
A quadrilateral inscribed in a circle.
What is a cyclic qudrilateral?
500
The ratio of the circumference of a circle to its diameter.
What is pi?
500
A transformation that preserves the size and shape of the original figure.
What is an isometry?
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