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

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asked Jul 24, 2018 224k views

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Ideate · Answer 1 · 2018-07-28T23:51:11+0000

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!

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

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