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What is the surface area of the cube

A. 42mm*2

B. 49 mm*2

C. 249 mm*2

D. 1764 mm*2

Surface area of the cube = 294 mm²

Solution:

Side of the cube (a) = 7 mm

Formula for the surface area of a cube:

Surface area = sq. units

To find the surface area of the given cube:

Substitute a = 7 mm in the formula.

Surface area =

                     = 6 × 49

                     = 294 mm²

Surface area = 294 mm²

Option C is the correct answer.

Hence the surface area of the cube is 294 mm².

histogram or dot plot?

step-by-step explanation:

b

step-by-step explanation: