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Kryger [21]
3 years ago
14

An artist wants to frame a square painting with an area of 400 square inches . she wants

Mathematics
1 answer:
Artemon [7]3 years ago
6 0
(a) x^{2} = 400
(b) \sqrt{x^2} = \sqrt{400}
x=20,-20
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
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