Just the critical concepts you need to score high ingeometry
This practical, friendly guide focuses on critical conceptstaught in a typical geometry course, from the properties oftriangles, parallelograms, circles, and cylinders, to the skillsand strategies you need to write geometry proofs. Geometry Essentials For Dummies is perfect for cramming or doing homework, or as a reference for parents helping kids study for exams.
* Get down to the basics — get a handle on the basics ofgeometry, from lines, segments, and angles, to vertices, altitudes, and diagonals
* Conquer proofs with confidence — follow easy-to-graspinstructions for understanding the components of a formal geometryproof
* Take triangles in strides — learn how to take in atriangle’s sides, analyze its angles, work through an SAS proof, and apply the Pythagorean Theorem
* Polish up on polygons — get the lowdown on quadrilateralsand other polygons: their angles, areas, properties, perimeters, and much more
Open the book and find:
* Plain-English explanations of geometry terms
* Tips for tackling geometry proofs
* The seven members of the quadrilateral family
* Straight talk on circles
* Essential triangle formulas
* The lowdown on 3-D: spheres, cylinders, prisms, and pyramids
* Ten things to use as reasons in geometry proofs
Learn to:
* Core concepts about the geometry of shapes and geometryproofs
* Critical theorems, postulates, and definitions
* The principles and formulas you need to know
İçerik tablosu
Introduction 1
Chapter 1: An Overview of Geometry 5
Chapter 2: Geometry Proof Starter Kit 21
Chapter 3: Tackling a Longer Proof 41
Chapter 4: Triangle Fundamentals 51
Chapter 5: Congruent Triangle Proofs 69
Chapter 6: Quadrilaterals 85
Chapter 7: Polygon Formulas 107
Chapter 8: Similarity 119
Chapter 9: Circle Basics 135
Chapter 10: 3-D Geometry 151
Chapter 11: Coordinate Geometry 161
Chapter 12: Ten Big Reasons to Use in Proofs 171
Index 175
Yazar hakkında
Mark Ryan owns and operates The Math Center in Chicago and is the author of Calculus For Dummies and several other math books.
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