Surface area practice For each problem find the surface area. Answers are found on the last slide.

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Presentation transcript:

Surface area practice For each problem find the surface area. Answers are found on the last slide.

Question #1

Question #2

Question #3

Question #4

Question #5

Question #6

1.Draw the net or the figure. 2.Find the area of each face. 3.Add the areas to find the surface area. The outside of a cube-shaped box is covered in velvet. If each side is 3 inches, how much velvet is needed to cover the box? Question #7

1.Draw the net or the figure. 2.Find the area of each face. 3.Add the areas to find the surface area. The outside of a cube-shaped box is covered in velvet. If each side is 3.5 inches, how much velvet is needed to cover the box? Question #8

1.Draw the shape or the net. 2.Find the area of each face. 3.Add the areas to find the surface area. How much cardboard is needed to make a shipping box that is 7 inches long, 10 inches wide, and 5 inches high? Question #9

1.Draw the net or the shape. 2.Find the area of each face. 3.Add the areas to find the surface area. A triangular pyramid made of equilateral triangles each having a height of 12 cm and a base of 2 cm. What is its surface area? Question #10

Question #11 Maddi bought a gift for her friend. She wants to place the gift in a package with the length of 9 inches, width of 12 inches, and height of 4 inches. Then she wants to wrap the gift. a. What is the surface area of the package? b. If Maddi bought a roll of wrapping paper that is 3 feet long and 2 feet wide, will it be enough to wrap the package? (hint: convert feet into inches)

Question #12 The cake shown below is to be covered in frosting. How much frosting are they going to need to cover the cake?

Question #13

Answer Key cm² 2.72 cm² in² cm² in² 6.93 m² 7.Total surface area: 54 in² 8.Total surface area: 73.5 in² 9.Total surface area: 310 in² 10.Total surface area: 48 cm² 11. a. 384 in² b. She would have enough wrapping paper in² square feet