Question
Download Solution PDFSix cubes, each of edge 2 cm, are joined end to end. What is the total surface area of the resulting cuboid in cm2?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFSide of each cube = 2 cm
Six cubes are joined end to end, then length of newly formed cuboid = 2 × 6 = 12 cm
Breadth of newly formed cuboid = 2 cm
Height of newly formed cuboid = 2 cm
As we know,
Total surface area of cuboid = 2 (lb + bh + hl)
⇒ 2 (12 × 2 + 2 × 2 + 2 × 12)
⇒ 2 (24 + 4 + 24)
⇒ 2 × 52
⇒ 104 cm2
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