A cuboid has TSA of 60m2 and LSA of 40m2. Find area of the base.
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Answered by
7
Answer:
Area of base is 10 m²
Step-by-step explanation:
Length of upper base=lower base=l
Height of upper base=lower base=b
area of base=lb
TSA=60m²=2(lb+bh+hl)
LSA=40m²=(2lb+2bh+2lh)-2lb=2bh+2lh
TSA-LSA=(2lb+2bh+2lh)-(2bh+2lh)
60-40=2lb
20=2lb
10=lb
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Answered by
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LSA of a cuboid is 2h(l+b)sq unit
.
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