What's the area of a square computer screen with 21-inch sides? A. 220 sq. in. B. 42 sq. in. C. 441 sq. in. D. 84 sq. in.
The area of a square computer screen with 21-inch sides is 441 sq. in. A = a² = 21² = 21 * 21 = 441
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Updated 7/7/2019 2:12:17 AM
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The area of a square computer screen with 21-inch sides is 441 sq. in.
A = a² = 21² = 21 * 21 = 441

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