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Unit 2-1: Geometric Constructions (Doc, PDF, Key)
Georgia Standards (Click to Expand)
MGSE9-12.G.CO.12: Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.

MGSE9-12.G.CO.13: Construct an equilateral triangle, a square, and a regular hexagon, each inscribed in a circle.


Video Lessons: (
p1, p2, p3, p4, p5, p6, p7, p8)

Sample Quiz: (Interactive, PDF)


Unit 2-2: General Dilations (Doc, PDF, Key)
Georgia Standards (Click to Expand)
MGSE9-12.G.SRT.1:Verify experimentally the properties of dilations given by a center and a scale factor.

a. The dilation of a line not passing through the center of the dilation results in a parallel line and leaves a line passing through the center unchanged.

b. The dilation of a line segment is longer or shorter according to the ratio given by the scale factor.
Geometer's Sketchpad Demonstration

Video Lessons: (
p1, p2, p3, p4, p5)

Sample Quiz: (Interactive, PDF)

Unit 2-3: Similar Figures & Applications (Doc, PDF, Key)
Georgia Standards (Click to Expand)

MGSE9-12.G.SRT.2:Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain, using similarity transformations, the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.

MGSE9-12.G.SRT.3: Use the properties of similarity transformations to establish the AA criterion for two triangles to be similar.

MGSE9-12.G.SRT.4: Prove theorems about triangles. Theorems include: a line parallel to one side of a triangle divides the other two proportionally, (and its converse); the Pythagorean Theorem using triangle similarity.

MGSE9-12.G.SRT.5: Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.


Video Lessons: (
p1, p2, p3, p4, p5, p6, p7, p8)

Sample Quiz: (Interactive, PDF)
TEST: Testing Item Banks for Exam View

(70 available questions for Unit 2)

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ExamView Video Instructions (How To Make a Test)

Author: Matt Winking


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