Chapter 12

Question 1

Polygon

Answer 1

A closed figure made up 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 that has 4 sides and 4 angles

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 the same measure

Question 8

Acute triangle

Answer 8

An angle with a measure between 0 and 90

Question 9

Obtuse triangle

Answer 9

An triangle that measures between 90 and 180

Question 10

Right triangle

Answer 10

An angle with a measurement of 90

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 sides the same length

Question 14

Trapezoid

Answer 14

A quadrilateral with exactly 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

Any side of a parallelogram

Question 20

Unit cube

Answer 20

A cube with a side length of one unit

Question 21

Cube unit

Answer 21

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

Question 22

Volume

Answer 22

The amount of space inside a three-dimensional figure