## La géométrie et l'analyse géométrique de l'espace à n by Linzbach, Jacob

By Linzbach, Jacob

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Additional resources for La géométrie et l'analyse géométrique de l'espace à n dimensions: Idéographie mathématique

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Write a sentence that explains the difference between the measure and the measurement of a segment. 2. Name some units of measure for length. 3. Guided Practice Example 1 Example 2 Jalisa says that the most precise measurement for a can of corn would be 2 pounds. Joseph says that 34 ounces is more precise. Who is correct, and why? betweenness equation measurement unit of measure precision greatest possible error percent of error Three segment measures are given. The three points named are collinear.

Al Wo rld Re c. CF Example Travel Link 4 Jamal traveled on I-71 from Grove City to Washington Courthouse. The Grove City entrance to I-71 is at the 100-mile marker, and the Washington Courthouse exit is at the 66-mile marker. How far did Jamal travel on I-71? 100 Ϫ 66 ϭ 34 or 34 Ruler Postulate Jamal traveled 34 miles on I-71. Check for Understanding Communicating Mathematics 1. Explain why a number line has arrows at each end. 2. Write a problem that can be solved by finding 9 Ϫ 17. What is the value of 9 Ϫ 17?

718 1 Find the perimeter of the rectangle. 9m 5m P ϭ 2ᐉ ϩ 2w P ϭ 2(9) ϩ 2(5) P ϭ 18 ϩ 10 or 28 Perimeter formula Replace ᐉ with 9 and w with 5. Simplify. The perimeter is 28 meters. Your Turn a. Find the perimeter of a rectangle with a length of 17 feet and a width of 8 feet. Lesson 1–6 A Plan for Problem Solving 35 Another important measure is area. The area of a figure is the number of square units needed to cover its surface. Two common units of area are the square centimeter and the square inch.