Back to Measurement
Surface area of rectangular prisms
Questions at easy, medium and hard levels. Pick a level and get a fresh set every time, with instant feedback.
Learn it Surface area is the total area of all 6 faces. Opposite faces match, so SA = 2(lw + lh + wh).
Example: A box 4 cm × 3 cm × 2 cm.
- Faces: 4×3 = 12, 4×2 = 8, 3×2 = 6.
- Each pair twice: 2 × (12 + 8 + 6) = 52 cm².
Loading questions…