Total surface area of cube is 181.5 sq.m. then what is the length of its side?
A) 2.5m
B) 4.5 m
C) 5.5 m
D) 6.5 m
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TSA = 6L^2
181.5=6L^2
181.5/6=L^2
30.25=L^2
By taking square roots on both the sides
L=5.5m
ANSWER: C) 5.5 m
181.5=6L^2
181.5/6=L^2
30.25=L^2
By taking square roots on both the sides
L=5.5m
ANSWER: C) 5.5 m
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