Mcgraw Hill - Geometry, Student Edition Grade 8 (For Kids, English, Illustrated, Math, Education, Learn).pdf

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Chapter 1: Tools of Geometry
i nteractive s tudent e dition
Authors
Boyd•Cummins • Malloy
Carter • Flores
About the Cover
In New York City, the bright red painted steel of Isamu Noguchi’s
Red Cube stands out in contrast to the blacks, browns, and whites
of the buildings and the sidewalks of Broadway. The sculpture is
not actually a cube, but instead seems as though it has been
stretched along its vertical axis. Through the center of the
sculpture is a cylindrical hole, revealing an inner surface of gray
with evenly-spaced parallel lines. You’ll learn more about three-
dimensional objects such as cubes and cylinders in Chapters 12
and 13.
About the Graphics
Created with Mathematica .
A Cmutov surface is generated using the equation
(8 x 4 – 8 x 2 + 1) + (8 y 4 – 8 y 2 + 1) + (8 z 4 – 8 z 2 + 1) = 0.
For more information, and for programs to construct such
graphics, see: www.wolfram.com .
Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved. Except
as permitted under the United States Copyright Act, no part of this publication may
be reproduced or distributed in any form or by any means, or stored in a database
or retrieval system, without prior permission of the publisher.
The Geometer’s Sketchpad ® is a registered trademark of Key Curriculum Press.
Send all inquiries to:
Glencoe/McGraw-Hill
8787 Orion Place
Columbus, OH 43240-4027
ISBN: 978-0-07-873826-5
MHID: 0-07-873826-1
Printed in the United States of America.
1 2 3 4 5 6 7 8 9 10 043/071 15 14 13 12 11 10 09 08 07 06
in Brief
Unit 1 Geometric Structure
1 Tools of Geometry
2 Reasoning and Proof
3 Parallel and Perpendicular Lines
Unit 2 Congruence
4 Congruent Triangles
5 Relationships in Triangles
6 Quadrilaterals
Unit 3 Similarity
7 Proportions and Similarity
8 Right Triangles and Trigonometry
9 Transformations
Unit 4 Two- and Three-Dimensional Measurement
10 Circles
11 Areas of Polygons and Circles
12 Extending Surface Area
13 Extending Volume
iii
Contents
Authors
Cindy J. Boyd
Mathematics Teacher
Abilene High School
Abilene, Texas
Jerry Cummins
Former President
National Council of
Supervisors of Mathematics
Western Springs, Illinois
Carol E. Malloy, Ph.D.
Associate Professor
University of North Carolina
at Chapel Hill
Chapel Hill, North Carolina
John A. Carter, Ph.D.
Director of Mathematics
Adlai E. Stevenson High School
Lincolnshire, Illinois
Alfinio Flores, Ph.D.
Professor
Arizona State University
Tempe, Arizona
Contributing Authors
Viken
Hovsepian
Professor of
Mathematics
Rio Hondo
College
Whittier, CA
Dinah Zike
Educational
Consultant
Dinah-Might
Activities, Inc.
San Antonio,
Texas
iv
Meet the Authors at geometryonline.com
(cr, bl) File Photo, (others)Aaron Haupt

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