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Lesson 12-4 Pages 532-535

Lesson 12-4 Pages 532-535. Surface Area of Rectangular Prisms. What you will learn!. How to find the surface area of rectangular prisms. Vocabulary. What you really need to know!.

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Lesson 12-4 Pages 532-535

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  1. Lesson 12-4Pages 532-535 Surface Area of Rectangular Prisms

  2. What you will learn! How to find the surface area of rectangular prisms.

  3. Vocabulary

  4. What you really need to know! The surface area S of a rectangular prism with length l, width w, and height h, is the sum of the areas of the faces.

  5. 5 cm 3 cm 3 cm 3 cm 4 cm 5 cm 4 cm 4 cm 3 cm 4 cm 5 cm

  6. Example 1: Find the surface area of the rectangular prism. 3 cm 2 cm 6 cm

  7. Example 2: Find the surface area of the rectangular prism. 12 in 8 in 10 in

  8. Example 3: Drew is putting together a cardboard box that is 9 inches long, 6 inches wide, and 8 inches high. He bought a roll of wrapping paper that is 1 foot wide and 3 foot long. Did he buy enough to wrap the box?

  9. Cardboard box Wrapping paper Yes! He bought enough!

  10. Page 533 Guided Practice #’s 4-6

  11. Read: Pages 532-533 with someone at home and study examples!

  12. Homework: Page 534-535 #’s 7-20 all #’s 25-36 all

  13. Page 594 Lesson 12-4

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