Volumes Practice Test 2

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Question : 8 of 40

Marks: +1, -0

The surface area of a cube is 600 sq. m. Its diagonal is

10 $√3$ cm
5 $√3$ cm
4 $√2$ cm
10 $√2$ cm

Solution:

Here, 6 ×

(\side)^2

= 600
⇒

\side^2

= 100 ⇒ side =

√{100}

= 10 cm
∴ Diagonal of the cube =

√3

× side =

√3 × 10

=

10√3

cm

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