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Glencoe Math: Course 3, Volume 2

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Glencoe Math: Course 3, Volume 2 View details

5. Surface Area of Cones

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Exercise 27 Page 638

The lateral area of a right cone is half the product of the circumference of the base and the slant height.

D

Practice makes perfect

We want to find the lateral area of a cone that has a diameter of $16$ centimeters and a slant height of $30$ centimeters. Let's draw this cone.

To find the lateral area, we must know that the lateral area of a right cone is half the product of the circumference of the base and the slant height.

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Subchapter links

Guided Practice p.634

Independent Practice p.635-636

H.O.T. Problems p.636

Extra Practice p.637

Standardized Test Practice p.638

Common Core Review p.638