The surface area of a cube of edge a is

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

The surface area of a cube of edge a is

Options:

4a²

6a²

3a²

a².

Correct Answer:

6a²

Explanation:

Formulae of surface area of a cube = 6(side)²

So, according to the question:

Surface area of the cube = 6(side)² = 6(a)² = 6a²