# Chapter 11 Vocabulary Flashcards

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created 9 years ago by beachbumsilva
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1

prism

a solid figure with two congruent polygons that are bases, connected with lateral faces that are rectangles.

2

congruent

having the same size and shape

3

polygon

a closed plane figure formed by 3 or more straight line segments that meet at points called vertices.

4

regular polygon

a polygon in which all sides are congruent and all angles are congruent is a regular polygon

5

unit cube

a cube that has a length, width and height of 1 unit

6

polyhedron

a solid figure with faces that are polygons

7

volume

the measure of the amount of space a solid figure occupies.

8

lateral face

a polygon that connects with the bases of a polyhedron

9

acute angle

an angle that measures less han 90 degrees

10

obtuse angle

an angle that measures more than 90 degrees and less than 180 degrees

11

reflex angle

an angle that is greater than 180 degrees

12

equilateral triangle

a triangle where all sides are equal

13

isosceles triangle

a triangle with only two equal sides and angles

14

scalene triangle

a triangle with no equal sides or angles

15

base

a plane figure that is usually a polygon, used to describe and help find the volume of a solid figure