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Surface area of cuboids and prisms

Surface area of cuboids and prisms. Grade C work. Find the area of these shapes. Surface area is the sum of the areas of all the faces!. 12+12+18+18+24+24 = 108cm 2. Method 1. Top and bottom = 24cm 2 Left and right = 18cm 2 Front and back = 12cm 2 2x24 + 2x18 + 2x12 = 108cm 2. Method 2.

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Surface area of cuboids and prisms

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  1. Surface area of cuboids and prisms Grade C work

  2. Find the area of these shapes.

  3. Surface area is the sum of the areas of all the faces!

  4. 12+12+18+18+24+24 = 108cm2 Method 1

  5. Top and bottom = 24cm2 Left and right = 18cm2 Front and back = 12cm2 2x24 + 2x18 + 2x12 = 108cm2 Method 2

  6. Find the surface area of these

  7. Prisms

  8. Find the surface area of these

  9. Questions: How do we find the area of a triangle? The surface area is the _ _ _ of the areas of all the _ _ _ _ _ . How many faces does a cuboid have? What is the surface area of a 5cm cube?

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