The total surface area of a cube is 36 sq cm. Find the edge length of the cube.

4√6 cm

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2√6 cm

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6 cm

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√6 cm

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Solution

The correct option is D √6 cm
Total surface area of a cube = $6 a^{2}$
$36 c m^{2} = 6 a^{2}$
$6 = a^{2}$
$\sqrt{6} = a$

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The total surface area of a cube is 36 sq cm. Find the edge length of the cube.

The correct option is D √6 cmTotal surface area of a cube = 6a2 36 cm2=6a2 6=a2 √6=a

The correct option is D √6 cm
Total surface area of a cube = $6 a^{2}$
$36 c m^{2} = 6 a^{2}$
$6 = a^{2}$
$\sqrt{6} = a$