Geometry Chapter 10 Definition

Question 1

circle

Answer 1

all points in a plane equidistant from the center point

Question 2

radius

Answer 2

a segment whose endpoints are the center and a point on the circle

Question 3

chord

Answer 3

a segment whose endpoints are on a circle

Question 4

diameter

Answer 4

a chord that goes through the center

Question 5

secant

Answer 5

a line that intersects a circle in two points

Question 6

tangent

Answer 6

a line that intersects a circle in one point

Question 7

tangent circles

Answer 7

coplanar circles that intersect in one point

Question 8

concentric circles

Answer 8

coplanar circles that have a common center

Question 9

common tangent

Answer 9

a line, ray, or segment that is tangent to two or more coplanar circles

Question 10

central angle

Answer 10

and angle whose vertex is the center and whose sides are or contain radii

Question 11

minor arc

Answer 11

an arc with a measure of less than 180

Question 12

major arc

Answer 12

an arc with a measure of greater than 180

Question 13

semicircle

Answer 13

an arc with a measure of exactly 180

Question 14

inscribed angle

Answer 14

an angle whose vertex is a point on the circle and whose sides are chords of the circle

Question 15

intercepted arc

Answer 15

an arc that is intercepted by an inscribed circle

Question 16

inscribed polygon

Answer 16

a polygon whose vertices all lie on the circle

Question 17

circumscribed circle

Answer 17

a circle that contains all vertices of an inscribed polygon