7th Grade April Vocab Quiz

Question 1

Angle with a measure greater than 0° and less than 90°.

Answer 1

Acute angle

Question 2

A triangle having three acute angles.

Answer 2

Acute triangle

Question 3

Angles that have the same vertex, share a common side, and do not overlap.

Answer 3

Adjacent angles

Question 4

Formed by two rays with a common endpoint.

Answer 4

Angle

Question 5

The measure of the interior surface of a 2-dimensional figure.

Answer 5

Area

Question 6

The set of all points in a plane that are the same distance from a given point.

Answer 6

Circle

Question 7

The distance around a circle.

Answer 7

Circumference

Question 8

Two angles that add up to 90°.

Answer 8

Complimentary angles

Question 9

A 3-dimensional figure with one circular base connected by a curved surface to a single point.

Answer 9

Cone

Question 10

Term that means to “have the same measure.”

Answer 10

Congruent

Question 11

A 3-dimensional figure with two parallel congruent circular bases connected by a curved surface.

Answer 11

Cylinder

Question 12

The most common unit of measure for angles.

Answer 12

Degrees

Question 13

The distance across a circle through its center.

Answer 13

Diameter

Question 14

An image larger than the original.

Answer 14

Enlargement

Question 15

In a polygon, all of the sides are congruent.

Answer 15

Equiangular

Question 16

A triangle having three congruent slides.

Answer 16

Equilateral triangle

Question 17

Any angle that measures greater than 90° but less than 180°.

Answer 17

Obtuse angle

Question 18

A triangle having one obtuse angle.

Answer 18

Obtuse triangle

Question 19

The ratio of the circumference to its diameter. The greek letter π represents the number, 3.1415926…

Answer 19

Pi

Question 20

A simple closed figure formed by three or more straight line segments.

Answer 20

Polygon

Question 21

A polyhedron with with two parallel congruent faces (called bases).

Answer 21

Prism

Question 22

A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex.

Answer 22

Pyramid

Question 23

A closed figure having four sides and four angles.

Answer 23

Quadrilateral

Question 24

The distance from the center of a circle to any point on the circle.

Answer 24

Radius

Question 25

A prism that has two parallel congruent bases that are rectangles.

Answer 25

Rectangular prism

Question 26

An image smaller than the original.

Answer 26

Reduction

Question 27

A polygon that has all sides congurent and all angles congruent.

Answer 27

Regular polygon

Question 28

A pyramid whose base is a regular polygon and in which the segment from the vertex to the center of the base is the altitude.

Answer 28

Regular pyramid

Question 29

An angle that measures exactly 90°.

Answer 29

Right angle

Question 30

A triangle having one right angle.

Answer 30

Right triangle

Question 31

The scale that gives the ratio that compares the measurements of a drawing or model to the measurements of the real object.

Answer 31

Scale

Question 32

A scale written as a ratio without units in simplest form.

Answer 32

Scale factor

Question 33

A model used to represent objects that are too large or too small to be built at actual size.

Answer 33

Scale model

Question 34

A triangle having no congruent sides.

Answer 34

Scalene triangle

Question 35

An angle that measures exactly 180°.

Answer 35

Straight angle

Question 36

Two angles with a sum of measures equaling 180°.

Answer 36

Supplementary angles

Question 37

A quadrilateral with one pair of parallel sides.

Answer 37

Trapezoid

Question 38

A figure with three sides and three angles.

Answer 38

Triangle

Question 39

The common endpoint of the rays forming an angle.

Answer 39

Vertex

Question 40

The number of cubic units needed to fill the space occupied by a solid.

Answer 40

Volume

Question 41

Opposite angles formed by the intersection of two lines. These angles are congruent to each other.

Answer 41

Vertical angles