Which of the following expression gives total surface area of cube of side of length a ?

6 x a x a

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4 x a x a

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5 x a x a

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3 x a x a

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Solution

The correct option is A 6 x a x a

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Similar questions

\frac{3 x^{2} - 2 x + 4}{(x - 1)^{2}} = \frac{A_{1}}{x + 1} + \frac{A_{2}}{(x + 1)^{2}} + \frac{A_{3}}{(x + 1)^{3}} + \frac{A_{4}}{(x + 1)^{4}} + \frac{A_{5}}{(x + 1)^{5}} + \frac{A_{6}}{(x + 1)^{6}}

(A_{1} + A_{3} + A_{5}, A_{2} + A_{4} + A_{6}) =

x

Question 55

State whether the following statement is true or false:

The surface area of a cuboid formed by joining face-to-face 3 cubes of side x is 3 times the surface area of a cube of side x.

Find the approximate change in total surface area of a cube of side x metre caused by increase in side by 1%.

\leq

\leq

\leq

\geq

\leq

\geq

| x - a |

x^{2}

\leq

a^{2}

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