anesemckay anesemckay

10-06-2021
Mathematics

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

Respuesta :

Аноним Аноним

10-06-2021

Answer:

a = 2400 mm²

Step-by-step explanation:

Area of 1 side

a = 20 * 20 = 400

Area of all 6 sides

a = 6 * 400

a = 2400 mm²

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