Asked by Michael

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

11 years ago

Answered by Juliet

D. 441 sq ft.

21*21

11 years ago

Answered by MathMate

Area of a square
= (length of each side)²
If each side is measured in inches, the area is in square inches, or in².

11 years ago

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