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The edge of a cube is 19 cm. What is the total surface area of the cube (in cm²)?
Question

The edge of a cube is 19 cm. What is the total surface area of the cube (in cm²)?

A.

2186

B.

2156

C.

2166

D.

2176

Correct option is C

Given:
The edge of the cube is 19 cm.
Formula Used:
Total Surface Area of Cube = 6 × (side)2(side)^2​​
Solution:
Edge of the cube = 19 cm.
Total Surface Area = 6 ×  (side)2 (side)^2​​
Total Surface Area = 6 × (19)2(19)^2​ = 6 × 361 = 2166 cm²
Thus, the total surface area of the cube is 2166 cm².

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