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Bell Ringer

Bell Ringer. Is a cone a polyhedron?. Cone: a solid with one base that is a circle, and a curved, smooth lateral surface that comes to a point, the apex. No, because it has a curved lateral surface area. c. LA = ½ (12 π ) (13) LA = 78 π cm² SA = LA + π r² SA = 78 π + 36 π.

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Bell Ringer

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  1. Bell Ringer

  2. Is a cone a polyhedron? • Cone: a solid with one base that is a circle, and a curved, smooth lateral surface that comes to a point, the apex. No, because it has a curved lateral surface area.

  3. c. LA = ½ (12 π ) (13) LA = 78 π cm² SA = LA + πr² SA = 78 π + 36π Find the lateral and total surface area for the solids described. d. LA = ½ (13 π) (12) LA = 78 π cm² SA = LA + πr² SA = 78 π + 6.5 ² π

  4. Practice Problems Cylinder A has a height of 8cm. Cone B has a slant height of 8cm. Each shape has a base radius of 6 cm. Find the lateral area and surface area of Cylinder A and Cone B.

  5. Homework Finish the worksheet on lateral and surface area.

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