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Trigonometry or smth
1. If a leg of an isosceles triangle is 12 cm, what is the measure of the other leg?
2. Find the longer leg of a 309 – 60°- 900 triangle if the shorter leg is 13 cm.
3. In a 45° - 450- 90° triangle, find the measure of each leg if the opposite of 90° angle is 20 cm.

Give answers with solutions ´･ᴗ･`

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