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In this video, you will learn how to find the surface area of rectangular prisms, by analyzing the prism’s six faces and computing their areas.

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Presentation on theme: "In this video, you will learn how to find the surface area of rectangular prisms, by analyzing the prism’s six faces and computing their areas."— Presentation transcript:

1 In this video, you will learn how to find the surface area of rectangular prisms, by analyzing the prism’s six faces and computing their areas.

2 area of a rectangle – computed by multiplying length times width (A = L x W)

3 rectangular prism – a 3D solid with six faces that are rectangles

4 surface area – the sum of the areas of the faces of a 3D solid

5 2 small faces

6 2 medium faces

7 2 large faces

8 Surface Area of a Rectangular Prism = Sm. Rec + Sm. Rec + Med. Rec + Med. Rec + Lg. Rec + Lg. Rec

9 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

10 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

11 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

12 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

13 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

14 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

15 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

16 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

17 Rec Prism SA = 2(Sm. Rec) + 2(Med. Rec) + 2(Lg. Rec) Rec Prism SA = 2(L x W) + 2(L x W) + 2(L x W) Rec Prism SA = 2(3 x 6) + 2(3 x 8) + 2(6 x 8) Rec Prism SA = 2(18) + 2(24) + 2(48) Rec Prism SA = in 3 in 6 in

18 In this video, you learned how to find the surface area of rectangular prisms, by analyzing the prism’s six faces and computing their areas.


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