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RWM103: Geometry
Sections
Course Introduction
Course Syllabus
Unit 1: The Basics of Geometry
Unit 2: Parallel and Perpendicular Lines
Unit 3: Triangles, Congruence, and Other Relationships
Unit 4: Triangle Relationships
Unit 5: Polygons and Quadrilaterals
Unit 6: Similarity
Unit 7: Right Triangle Trigonometry
Unit 8: Circles
Unit 9: Perimeter and Area
Unit 10: Surface Area and Volume
Course Feedback Survey
Certificate Final Exam
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RWM103: Geometry
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Pre-College Skills
RWM103: Geometry
Sections
Unit 3: Triangles, Congruence, and Other Relationships
3.3: Exterior Angle Theorem
Practice Using the Exterior Angle Theorem
Back to '3.3: Exterior Angle Theorem\'
Practice Using the Exterior Angle Theorem
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Then, complete this assessment and check your answers.
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https://www.khanacademy.org/math/in-in-grade-9-ncert/xfd53e0255cd302f8:in-in-chapter-6-lines-and-angles/xfd53e0255cd302f8:angle-sum-and-exterior-angle-property-of-a-triangle/e/exterior-angle-property-problems
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Course Syllabus
The Language and Notation of Basic Geometry
Lines, Line Segments, and Rays
The Distance between Two Points
Midpoints and Segment Bisectors
Angles
Measuring Angles
Congruent Angles and Angle Bisectors
Acute, Right, and Obtuse Angles
Complementary and Supplementary Angles
Practice with Complementary and Supplementary Angles
Linear Pairs
Vertical Angles
Equations with Vertical Angles
Practice Solving Problems with Vertical Angles
Classifying Polygons
Identifying Parallel and Perpendicular Lines
Angles, Parallel Lines, and Transversals
Corresponding Angles
Alternate Interior Angles
Alternate Exterior Angles
Same Side Interior Angles
Using the Distance Formula
Practice Using the Distance Formula
Triangle Classification
Using the Triangle Sum Theorem
Practice Using the Exterior Angle Theorem
Using the Exterior Angle Theorem
Congruent Figures
Congruent Triangles and the SSS Postulate
The SAS, ASA, and AAS Postulates
Congruent Triangles
Practice with Congruent Triangles
Practice with Angles in Congruent Triangles
Isosceles Triangles
Equilateral Triangles
Midsegment Theorem
Perpendicular Bisectors
Angle Bisectors
Triangle Medians and Centroids
Using Medians and Centroids to Solve Unknown Quantities
Altitudes
Triangle Inequality Theorem
Practice Using the Triangle Inequality Theorem
Quadrilaterals, Polygons, and Transformations
Sum of Interior Angles of a Polygon
Sum of Exterior Angles of a Convex Polygon
Practice Adding Angles of a Polygon
Parallelograms
Classifying Parallelograms
Trapezoids
Kites
Quadrilaterals
Practice with Quadrilaterals
Similar Triangles
Similar Polygons and Scale Factors
Similarity Postulates
Angle-Angle Similarity Postulate
Side-Side-Side Triangle Similarity
Side-Angle-Side Triangle Similarity
Solving Similar Triangles
Practice Solving Similar Triangles Part I
Practice Solving Similar Triangles Part II
The Pythagorean Theorem
Using the Pythagorean Theorem
Practice Using the Pythagorean Theorem
45-45-90 Right Triangles
30-60-90 Right Triangles
Trigonometry
Practice Trigonometric Ratios in Right Triangles
Using a Calculator for Trigonometric Ratios
Circle Language and Notation
Tangent Lines
Arcs
Practice Measuring Arcs
Value of Inscribed Angles and Polygons
Practice Inscribed Angles and Polygons
Chords in Circles
Angles of Chords, Secants, and Tangents
Perimeter and Area Basics
Area and Perimeter of a Triangle
Area and Perimeter of a Rectangle
Area of a Parallelogram
Area and Perimeter of Trapezoids
Area and Perimeter of Rhombuses and Kites
Area and Perimeter of Similar Polygons
Circumference Review
Arc Length
Area of a Circle
Practice Calculating the Area of a Circle
Perimeter and Area of a Non-Standard Polygon
Polyhedrons
Representing Solids
Prisms
Cylinders
Pyramids
Cones
Spheres
Composite Solids
Course Feedback Survey
RWM103: Certificate Final Exam
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