All 303 families

GB-27-01-001 · Cuboid surface area

Find the total surface area of a cuboid measuring 16 cm by 12 cm by 12 cm.

3D Shapes: Surface Area of a Cuboid Booklet p. 39 & p. 94
Method
1) Find areas of the 3 distinct rectangular faces (lw, lh, wh)
2) Add them and multiply by 2
Worked Example (GB-27-01-001)
1)
Find the three face areas: 192, 192, 144.
2)
Double the sum of these areas.
3)
1056 cm²
Ans = 1056 cm²