A cuboid has a total surface area of 100 m square and the lateral surface area is 50 m square. Find the area of its base.
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the total surface area of cuboid = 2(lb+bh+hl)=100m²
lateral surface area of cuboid=2h(l+b)=50m²
so TSA =2h(l+b) + 2lb
so 100m²=50+2lb
50/2=lb
25m² is the area of base
lateral surface area of cuboid=2h(l+b)=50m²
so TSA =2h(l+b) + 2lb
so 100m²=50+2lb
50/2=lb
25m² is the area of base
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