Mathematics For Elementary Teachers With Activities

5th Edition

ISBN: 9780134423401

Author: Sybilla Beckmann

Publisher: PEARSON

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Textbook Question

Chapter 12.5, Problem 5P

a. Make a drawing to show the result of shearing the

triangle in Figure 12.72 into a right triangle. Explain how you know you have sheared the triangle correctly. Hint: Shearing does not have to be horizontal.

Chapter 12.5, Problem 5P, a. Make a drawing to show the result of shearing the triangle in Figure 12.72 into a right triangle.

Figure 12.72 Triangle to shear.

During shearing, what changed and what remained the same?

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Chapter 12.5, Problem 4P

Chapter 12.5, Problem 6P

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Chapter 12 Solutions

Mathematics For Elementary Teachers With Activities

Ch. 12.1 - You have a 5-foot-by-7-foot rectangular rug in...Ch. 12.1 - Draw a 3-cm-by-7-cm rectangle. Then discuss the...Ch. 12.1 - a. Explain how to decompose the large rectangle in...Ch. 12.1 - a. Explain how to decompose the large rectangle in...Ch. 12.1 - Draw a (fairly long) line segment and designate it...Ch. 12.2 - Make a shape that has area 25in2 but that has no...Ch. 12.2 - Flgure 12.14 shows the floor plan for a one-story...Ch. 12.2 - An area problem: The Johnsons are planning to...Ch. 12.2 - Figure 12.15 shows a design for an herb garden,...Ch. 12.2 - Figure 12.16 [g shows the floor plan for a modern,...

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a. Make a drawing to show the result of shearing the triangle in Figure 12.72 into a right triangle. Explain how you know you have sheared the triangle correctly. Hint: Shearing does not have to be horizontal. Figure 12.72 Triangle to shear. During shearing, what changed and what remained the same?

Solution Summary: The author explains the formula used to shear the triangle in Figure into a right triangle by drawing and the changes that took place during sheering.

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