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vredina [299]
2 years ago
15

Area =12 X+2 X+4 X =

Mathematics
1 answer:
Novay_Z [31]2 years ago
3 0

Answer:

To find area of the square you'll need to square one side

(3X)^2 = 81

9(X)^2 = 81

(x)^2 = 81/9

x^2 = 9

X = (9)^1/2

X = 3

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3 years ago
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