Bell Ringer Get out your 8.1 homework assignment Get out your notebook and prepare to take notes on Section 8.3 Name a pair of skew line segments, a pair of parallel line segments, describe the base, and name the following figure:
8.3 – Nets and Three-Dimensional Figures (Page 364) Essential Question: How can we turn two-dimensional figures into three-dimensional figures?
8.3 cont. Net: A pattern that can be folded to form a solid A net of a figure shows all the surfaces of that figure in one view
Bell Ringer Get out your 8.3 homework assignment Get out your notebook and prepare to take notes on Section 8.4 Identify the solid that the following net forms: CONE
8.4 – Surface Areas of Prisms and Cylinders (Page 368) Essential Question: How do we find the surface area of a prism and a cylinder?
8.4 cont. Surface Area Total area of its net Sum of the area of the surfaces of a solid
8.4 cont. Example 1: Use a net to find the surface area of the following prism: STEPS: 1.Draw a net of the prism 2.Find the area of each rectangle in the net 3.Add the areas to find the surface area
8.4 cont. Lateral Area: Lateral = “on the side” Sum of the areas of the lateral surfaces of a solid