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1. Given the length of the shorter leg of a 30°-60°-90° triangle, how can you determine the lengths of the remaining sides?

2. If one leg is given in a 45°-45°-90° triangle, how will you look for the measure of the hypotenuse?

3. The two special right triangles are _____________ and _____________.

4. Trigonometric ratios of special angles are obtained by _______________________. ​