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rusak2 [61]
3 years ago
10

Answer plzzzzzzzzzzzzz

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

x=12.727822

Step-by-step explanation:

Since we know two of the angles, we can find the third.  180-90-45=45.  This means the two sides of the triangle are also equal, and we know the hypotenuse is 18.  So we can use the Pythagorean theorem.

x²+x²=18²

2x²=324

x²=162

x=√162

x=12.727822

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