Math Vocabulary 12

Question 1

Polygon

Answer 1

A closed figure made of line segments that do not cross each other.

Question 2

Triangle

Answer 2

A polygon with three sides and three angles.

Question 3

Quadrilateral

Answer 3

A polygon with four sides and four corners

Question 4

Pentagon

Answer 4

A polygon with five sides.

Question 5

Hexagon

Answer 5

A polygon with six sides and six angles.

Question 6

Octagon

Answer 6

A polygon with eight sides.

Question 7

Congruent

Answer 7

Having equal length sides.

Question 8

Acute angle

Answer 8

Angle with a degrees between 0-90.

Question 9

Right angle

Answer 9

A angle that in 90 degrees.

Question 10

Obtuse angle

Answer 10

A angle between 90-180 degrees.

Question 11

Equilateral triangle

Answer 11

A triangle with three congruent sides.

Question 12

Scalene triangle

Answer 12

A triangle with no congruent sides.

Question 13

Isosceles triangle

Answer 13

A triangle with at least two congruent sides.

Question 14

Trapezoid

Answer 14

A quadrilateral with one pair of parallel sides.

Question 15

Parallelogram

Answer 15

A quadrilateral with four sides in which each pair of opposite sides are parallel and congruent.

Question 16

Rectangle

Answer 16

A quadrilateral with four right angles; opposite sides are equal and parallel.

Question 17

Rhombus

Answer 17

A parallelogram with four congruent sides.

Question 18

Square

Answer 18

A rectangle with four congruent sides.

Question 19

Base

Answer 19

One of the two parallel congruent faces in a prism.

Question 20

Unit cube

Answer 20

A cube with the side length of one unit.

Question 21

Cubic unit

Answer 21

A unit for measuring volume, such as a cubic inch or a cubic centimeter

Question 22

Volume

Answer 22

The amount of space inside a three-dimensional figure.