Q4. A cuboid has total surface area of 50 m2 and lateral surface area is 30 m2. Find the area of its base.
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area =10m2
Step-by-step explanation:
Total surface area of cuboid = 50 m2 Lateral surface area of cuboid = 30 m2
Total Surface area = 2 (surface area of base) + (surface area of 4 walls)
50 = 2 (surface area of base) + (lateral surface area)
50 = 2 (surface area of base) + 30
50 – 30 = 2 (surface area of base) 20 = 2 (surface area of base)
Surface area of base = 20/2 = 10 m2 ∴ Area of base is 10m2..
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