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Rudiy27
3 years ago
7

Please, I need to know how this question is done. please

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0

subsitute x = 6 into the lengths

3(6) -7

18 - 7

11cm

(6) + 5

11cm

therefore it is a square when x = 6 because the sides are all equal

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