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# 1.8: Study Guide

Difficulty Level: At Grade Created by: CK-12

Keywords: Define, write theorems, and/or draw a diagram for each word below.

\begin{align*}1^{st}\end{align*} Section: Points, Lines, and Planes

Geometry

Point

Line

Plane

Space

Collinear

Coplanar

Endpoint

Line Segment

Ray

Intersection

Postulates

Theorem

Postulate 1-1

Postulate 1-2

Postulate 1-3

Postulate 1-4

Postulate 1-5

Use this picture to identify the geometric terms in this section.

Homework:

\begin{align*}2^{nd}\end{align*} Section: Segments and Distance

Distance

Measure

Ruler Postulate

Homework:

\begin{align*}3^{rd}\end{align*} Section: Angles and Measurement

Angle

Vertex

Sides

Protractor Postulate

Straight Angle

Right Angle

Acute Angles

Obtuse Angles

Perpendicular

Construction

Compass

Homework:

\begin{align*}4^{th}\end{align*} Section: Midpoints and Bisectors

Congruent

Midpoint.

Midpoint Postulate

Segment Bisector

Perpendicular Bisector

Perpendicular Bisector Postulate

Angle Bisector

Angle Bisector Postulate

Homework:

\begin{align*}5^{th}\end{align*} Section: Angle Pairs

Complementary

Supplementary

Linear Pair

Linear Pair Postulate

Vertical Angles

Vertical Angles Theorem

Homework:

\begin{align*}6^{th}\end{align*} Section: Classifying Polygons

Draw your own pictures for this section

Triangle

Right Triangle

Obtuse Triangle

Acute Triangle

Equiangular Triangle

Scalene Triangle

Isosceles Triangle

Equilateral Triangle

Vertices

Sides

Polygon

Convex Polygon

Concave Polygon

Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon…

Diagonals

Homework:

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