two cubes of side 6cm are joined find the total surface area of the new solid formed
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Answer:
360 cm²
Step-by-step explanation:
When two such cubes are joined, they form a cuboid with dimensions 12cmx6cmx6cm (lxbxh)
Thus,
Total Surface Area = 2(lxb + bxh + lxh)
= 2( 12*6 + 6*6 + 12*6)
= 2( 72 + 36 + 72 )
= 2*180
= 360 cm²
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