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bonufazy [111]
3 years ago
12

Find the missing length.

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

c = \sqrt{90}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse c is equal to the sum of the squares on the other 2 sides, that is

c² = 9² + 3² = 81 + 9 = 90 ( take the square root of both sides )

c = \sqrt{90}

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