3 years ago

Pythagoras Theorem

Mathematics

1 answer:

iris [78.8K]3 years ago

7 0

9514 1404 393

Answer:

B. x = 2√11

Step-by-step explanation:

The square of the length of the diagonal is ...

d² = 6² + 8² = 36 +64 = 100

Then the length of x is found from ...

d² +x² = 12²

x² = 144 -100 = 44 . . . . . subtract d²

x = √44 . . . . . . take the square root

x = 2√11

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