Mensuration Practice Test 4

Question : 5 of 40

Marks: +1, -0

Two cubes of sides 6 cm each are kept side by side to form a rectangular parallelepiped. The area (in sq. cm) of the whole surface of the rectangular parallelepiped is:

Validate

Solution:

Length of the rectangular parallelepiped = 12 cm
Breadth = 6 cm
Height = 6 cm
Areas of whole surface = 2 (lb + bh + hl)
= 2(12 × 6 + 6 × 6 + 6 ×12)
= 2(72 + 36 + 72)
= 2(180) = 360

cm^2

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