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liq [111]
3 years ago
9

Find the missing length round to the nearest tenth I don’t know how to do this

Mathematics
2 answers:
FromTheMoon [43]3 years ago
6 0

Answer:

Step-by-step explanation:

Alexandra [31]3 years ago
4 0

Answer:

19.4

Step-by-step explanation:

21^2 = 8^2 + a^2

441 = 64 + 377

the square root of 377 = approximately 19.4

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