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Mrac [35]
3 years ago
11

Find x. Write your answer in simplest radical form.

Mathematics
1 answer:
Leokris [45]3 years ago
6 0

Answer:

x = 3\sqrt{11}

Step-by-step explanation:

Using Pythagorean Theorem we can say;

15² + x² = 18²

225 + x² = 324

x² = 99

x = \sqrt{99}

To simplify this in the radical for we can say:

\sqrt{9*11}

\sqrt{9}*\sqrt{11}

3\sqrt{11}

So the answer = 3\sqrt{11}

Hope this helps!

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