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15-01-2017
Mathematics

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What's the area of a square computer screen with 21-inch sides? A. 220 sq. in. B. 441 sq. in. C. 42 sq. in. D. 84 sq. in

Respuesta :

Аноним Аноним

15-01-2017

Area of a computer screen ( square side) = a²
Here, screen side length = 21 in.

So, area = 21² = 441 in²

In short, Your Answer would be Option B

Hope this helps!

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