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![]() As you work through this chapter, ask yourself: How can I represent it and what tools can I use? Section 11.1 Section 11.2 In Section 11.1, you will turn your focus to three-dimensional shapes, such as prisms and cylinders. Then, in Section 11.3, you will look at the cross-sections of a cone, called conic sections and learn about the geometric properties of parabolas.? Mathematically proficient students use appropriate tools strategically. ![]() In Section 11.2, you will expand your study of solids to pyramids, cones, and spheres. In Section 11.1, you will study three-dimensional solids and their volumes, and you will apply your knowledge of similar figures to three-dimensional figures. For example, you have tools to calculate the measure of an interior angle of a regular hexagon, to calculate the length of the hypotenuse of a right triangle, to measure the perimeter of a triangle, and to find the area of a circle. You have investigated the special properties of triangles, parallelograms, regular polygons and circles, and have developed tools to help you describe and analyze those shapes. 2 CHAPTER 11 Solids In your study of geometry so far, you have focused your attention on two-dimensional shapes. ![]()
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