Chapter 1 Exploring Geometry

AGS Geometry Chapter 1 Exploring Geometry Note Cards

Note Card 1-1A Define, give an example, and show how to name each of the following terms: Point, Line, Plane, Collinear, Line Segment, Endpoints, and Ray.

Note Card 1-1B Define, give an example, and show how to name each of the following terms: Collinear, Line Segment, Endpoints, and Ray.

Note Card 1-2A Define Postulate Copy the Segment Addition Postulate and give an example of it.

Note Card 1-3A Define angle and vertex and identify the 4 ways to name an angle. Draw a diagram and label parts.

Note Card 1-3B Define bisect and angle bisector. Draw a diagram and label parts.

Note Card 1-4A Define degree and protractor. Pg 15 Define perpendicular lines and draw an example. Pg 17

Note Card 1-4B Define and draw an example of the following terms: acute angle, right angle, obtuse angle, and straight angle. Pg 16-17

Note Card 1-5A Define Adjacent Angles and draw an example.

Note Card 1-5B Define Complementary Angles and Supplementary Angles and draw an example of each.

Note Card 1-5C Define Intersection and Vertical Angles and draw an example of each. Collinear – points that lie on the same line. Line segment or segment – is part of a line consisting of two endpoints. A B AB or BA The measure of AB is written as AB.

Ray – part of a line consisting of one endpoint and extending indefinitely in one direction.

Point, Line, and Plane 1-1A Collinear, Line Segment, and Ray 1-1B

Angle – formed from to noncollinear rays with the same endpoint. Side of an Angle – each ray that forms the angle are considered sides of the angles. Vertex – the common endpoint.

Naming the Angle YXZ ZXY X 3

Segment Addition Postulate 1-2A Angles 1-3A Straight Angle – an angle measuring 180 degrees. Bisect – to divide into equal parts. Angle Bisector – a ray that divides an angle into two congruent angles. In the diagram below, ray YW bisects XYZ. So we can conclude that: m XYW + m WYZ = m XYZ

Angles 1-3A Types of Angles 1-4A

Perpendicular Lines – lines that form right angles.

Perpendicular Lines 1-4B Adjacent Angles 1-5A Complementary and Supplementary Angles 1-5B Perpendicular Lines 1-5C