11-3 Surface Areas of Pyramids and Cones

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Presentation transcript:

11-3 Surface Areas of Pyramids and Cones Students will define, explicitly use, and solve for the terms “lateral area” and “surface area” for pyramids and cones.

Pyramid Vertex Lateral Edge Lateral Face h Slant height l Altitude Also called height Base Base Edge

11-3 Quiz The following questions are designed to help you decide if you understood today’s lesson. Please ask if you miss one and don’t understand why! Be sure to record the number you get right on your portfolio sheet 

1. Find the surface area of the pyramid shown to the nearest whole number. Non-Response Grid

2. Find the slant height x of the pyramid shown to the nearest tenth. 2.4 mm 5 mm 2.6 mm 4.3 mm Non-Response Grid

3. Find the surface area of the figure to the nearest whole number. Non-Response Grid

4. Find the surface area of the cone in terms of . 54 cm2 99 cm2 51 cm2 49.5 cm2 Non-Response Grid

5. Find the slant height of the cone to the nearest whole number. Non-Response Grid

Assignment: 11-3 p.713–714 #10-38 even Be sure to RATE your understanding of the lesson 4-3-2-1-0 after you finish it AND give me one complete sentence as to why you rated yourself that way then summarize what the lesson was about in a sentence or two.