1. **State the problem:** Calculate the areas of faces A, B, and C on a cuboid with given dimensions. 2. **Identify the dimensions:** - Face A dimensions: 9 m by 2 m - Face B dimensions: 7 m by 2 m - Face C dimensions: 9 m by 7 m 3. **Formula for area of a rectangle:** $$\text{Area} = \text{length} \times \text{width}$$ 4. **Calculate each area:** - Face A: $$9 \times 2 = 18$$ square meters - Face B: $$7 \times 2 = 14$$ square meters - Face C: $$9 \times 7 = 63$$ square meters 5. **Final answer:** - Area of face A is 18 - Area of face B is 14 - Area of face C is 63 Each area is in square meters.