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A cube has a side length of 20mm, what is the surface area of the cube in square untils​
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A cube has a side length of 20mm, what is the surface area of the cube in square untils​

User Gabi Kliot
by
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1 Answer

3 votes

Answer:

a = 2400 mm²

Explanation:

Area of 1 side

a = 20 * 20 = 400

Area of all 6 sides

a = 6 * 400

a = 2400 mm²

User Paul Dessert
by
7.1k points
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