4/15 Crossword

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Across
  1. 3. When two lines intersect at a 90° angle
  2. 5. the side of a right triangle that is part of both the reference angle and the right angle.
Down
  1. 1. You can prove two triangles are similar using the __________ similarity theorem.
  2. 2. A right triangle has a single __________ degree angle
  3. 4. When choosing a reference angle on a right triangle, we never choose the __________ angle