Chapter 10.1 - Circles

Question 1

circle

Answer 1

set of all points in a plane that are equidistant from a given point

Question 2

interior

Answer 2

points located within circle

Question 3

exterior

Answer 3

points located ouside circle

Question 4

chord

Answer 4

segment whose endpoints lie on the circle

Question 5

diameter

Answer 5

chord that passes through center of circle

Question 6

radius

Answer 6

segment whose endpoints are the circle’s midpoint and any point on the circle

Question 7

tangent

Answer 7

a line that intersects a circle at exactly one point

Question 8

point of tangency

Answer 8

the point a tangent touches a circle

Question 9

secant

Answer 9

line that intersects a circle at two points

Question 10

common tangent

Answer 10

line that is tangent to two circles

Question 11

common external tangent

Answer 11

common tangents that do not intersect the segment that joins the centers of the circles

Question 12

common internal tangent

Answer 12

common tangents that do intersect the segment that joins the centers of the circles

Question 13

tangent circles

Answer 13

two circles that have one point of intersection

Question 14

concentric circles

Answer 14

two circles that have the same center

Question 15

congruent circles

Answer 15

two circles that have congruent radii or diameters