Chap. 10 Vocabulary

Question 1

The _____ is the length of an altitude.

Answer 1

height

Question 2

A _____ _____ _____ _____ can be any one of its sides (parallelogram)

Answer 2

base of a parallelogram

Question 3

In _____ _____, points on a segment or in a region of a plane represent outcomes.

Answer 3

geometric probability

Question 4

The _____ _____ _____ _____ _____ is the distance from the center to a vertex.

Answer 4

radius of a regular polygon

Question 5

The _____ is the perpendicular distance from the center to a side.

Answer 5

apothem

Question 6

The _____ _____ _____ _____ is the perpendicular distance between the bases.

Answer 6

altitude of a parallelogram

Question 7

A _____ _____ _____ _____ can be any of its sides (triangle).

Answer 7

base of a triangle

Question 8

A _____ is the set of all points equidistant from a given point.

Answer 8

circle

Question 9

A given point that all points on a circle are equidistant from is the _____.

Answer 9

center

Question 10

A _____ is a segment that has one endpoint at the center and the other endpoint on the circle.

Answer 10

radius

Question 11

_____ _____ have congruent radii.

Answer 11

congruent circles

Question 12

A _____ _____ is larger than a semicircle.

Answer 12

major arc

Question 13

A _____ is a segment that contains the center of a circle and has both endpoints on the circle.

Answer 13

diameter

Question 14

_____ _____ are arcs of the same circle that have exactly one point in common.

Answer 14

adjacent arcs

Question 15

A _____ _____ _____ _____ is a region bounded by an arc of the circle and the two radii to the arc’s endpoints.

Answer 15

sector of a circle

Question 16

A _____ _____ is an angle whose vertex is the center of the circle.

Answer 16

central angle

Question 17

_____ is the ratio of the circumference of a circle to its diameter

Answer 17

pi

Question 18

A _____ is half of a circle.

Answer 18

semicircle

Question 19

A _____ _____ is smaller than a semicircle.

Answer 19

minor arc

Question 20

Coplanar circles that have the same center are called _____ _____.

Answer 20

concentric circles

Question 21

The _____ of a circle is the distance around the circle.

Answer 21

circumference

Question 22

The _____ _____ is a fraction of the circumference.

Answer 22

arc length

Question 23

The corresponding _____ _____ _____ _____ is a segment perpendicular to the line containing that base, drawn from the side opposite the base. (trapezoid)

Answer 23

height of a trapezoid

Question 24

A part of a circle bounded by an arc and the segment joining its endpoints is a _____ _____ _____ ______.

Answer 24

segment of a circle