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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
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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

User Michael L
by
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1 Answer

1 vote
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!
User Ideate
by
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