Unit 5 vocab test

Question 1

A line segment from the center to a point on the circle.

Answer 1

Radius

Question 2

A line segment with both endpoints on the circle.

Answer 2

chord

Question 3

A chord passing through the center of the circle.

Answer 3

Diameter

Question 4

The perimeter of a circle.

Answer 4

Circumference

Question 5

An angle with its vertex at the center of the circle.

Answer 5

Central angle

Question 6

An arc smaller than a semicircle.

Answer 6

Minor arc

Question 7

An arc larger than a semicircle.

Answer 7

Major arc

Question 8

An arc equal to half of the circumference of a circle.

Answer 8

Semicircle

Question 9

The distance along an arc.

Answer 9

Arc length

Question 10

An angle with its vertex on the circle and sides as chords.

Answer 10

Inscribed angle

Question 11

The arc lying between the endpoints of an inscribed angle.

Answer 11

Intercepted arc

Question 12

A line touching a circle at exactly one point.

Answer 12

Tangent

Question 13

The point where a circle and a tangent intersect.

Answer 13

Point of tangency

Question 14

A line intersecting a circle at two points.

Answer 14

Secant

Question 15

A part of a chord between two points on the circle.

Answer 15

Chord segment

Question 16

A part of a secant between two points on the circle.

Answer 16

Secant segment

Question 17

A secant segment outside the Circle

Answer 17

External secant segment

Question 18

A part of a tangent between the point of tangency and another point.

Answer 18

Tangent segment

Question 19

A solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms

Answer 19

Prism

Question 20

A solid shape with a polygon as a base and triangular faces that come to a point (vertex or apex)

Answer 20

Pyramid

Question 21

A solid shape with one curved surface and two congruent circular bases.

Answer 21

Cylinder

Question 22

A three dimensional shape with a circular base and a vertex opposite the base

Answer 22

Cone

Question 23

A solid shape that is perfectly round like a ball. No faces, edges, or vertices

Answer 23

Sphere

Question 24

all of its faces are regular congruent polygons and all of the edges are congruent

Answer 24

Regular polyhedron

Question 25

The sum of all the areas of all the faces or surfaces that enclose a solid. The sum of all the areas of all surfaces of a solid.

Answer 25

Surface area

Question 26

Amount of space occupied by an object

Answer 26

Volume

Question 27

the intersection of a solid and a plane

Answer 27

Cross section

Question 28

the sum of the areas of the lateral faces

Answer 28

Lateral area

Question 29

A three-dimensional figure that is composed of simpler figures.

Answer 29

Composite solid

Question 30

a pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles

Answer 30

Regular pyramid

Question 31

the height of the lateral side of a pyramid or cone

Answer 31

Slant height

Question 32

a cone whose axis is perpendicular to the base

Answer 32

Right cone

Question 33

a cone whose axis is not perpendicular to the base

Answer 33

Oblique cone

Question 34

The intersection of a sphere and a plane that contains the center of the sphere

Answer 34

Great circle

Question 35

Half of a sphere

Answer 35

Hemisphere