Circle Vocabulary Unit 9 Extension Activity Jeopardy Template

100 What is half of a circle? Semicircle	100 What is a line that lies in the plane of a circle? Tangent to a circle	100 What is coplanar circles that have the same center? Concentric circles	100 What is circles with congruent radii or congruent diameters? Congruent circles
200 What is a line that contains a chord? Secant of a circle	200 What is an angle with the vertex a the center of the circle? Central angle	200 What is the distance around a circle that is the perimeter of a circle? Circumference	200 What is the set of all points in a plane that are a fixed distance (radius) from a point called the center? Circle
300 What is two points on a circle and the continuous part of the circle between the two points? Arc of a circle	300 What is an arc larger than its corresponding semi-circle? Major arc	300 What is a segment that has one endpoint located at the center of a circle and the other endpoint on the edge of the circle? Radius	300 What is a segment that contains the center of the circle and has both endpoints on the circle? Diameter
400 What is an arc smaller than it's corresponding semi-circle? Minor arc	400 What is a fraction of the circumference of a circle defined by the arc? Arc length	400 What is a segment whose endpoints lie on a circle? Chord	400 What is the largest possible circle that can be drawn on the inside of a plane figure? Inscribed circle
500 Inscribed circle