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How can I answer this

How can I answer this-example-1
User Nastasha
by
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1 Answer

6 votes
From the Pythagorean Theorem:

x² + x² = 10²
2x² = 100 | :2
x² = 50 | √(..)
x = √50
x = √(25*2)
x = √25 * √2
x = 5√2

Answer B.
User Suyash Gaur
by
8.6k points

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