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vivado [14]
3 years ago
9

Find X put step by step please

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0

Answer:

x = 29.7 or 29.69848480

Step-by-step explanation:

Use the formula a² + b² = c²

21² = 441

20² = 400

400 + 441 = 882

√882 = 29.7

You square the number at the end to cancel out the squared number, since both 21 and 20 aren't originally squared.

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Answer:

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Step-by-step explanation:

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