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Vsevolod [243]
3 years ago
10

Estimate the side length of a square that has 9 cm long diagonal (round to the nearest tenth)

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0

Answer:

hyp²=adj²+opp²

9²=x²+x²

81=2x²

x²=81/2

x²=40.5

x=√40.5

x=6.4cm

I would appreciate if my answer is chosen as a brainliest answer

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