Question 108

Two equal cubes of side of length 18 cm are joined together to form a cuboid. Then the total surface area of this cuboid (in sq.cm) is:

Solution

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L=36, B=18 H=18 

TSA=2(LB +BH+HL) 

=2(36*18+18*18+18*36) 

=2*1620=3240 

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