hops crossword

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Across
  1. 3. polygon with three edges and three vertices.
  2. 5. looks up the angle between the horizontal line of sight and the object.
  3. 6. lengths of the sides of a right-angled triangle to its interior angles.
  4. 7. looks down the angle between the horizontal line of sight and the object
  5. 8. side is the one across from a given angle.
  6. 9. is the union of two rays that share a common endpoint.
Down
  1. 1. the longest side of a right-angled triangle, the side opposite the right angle.
  2. 2. side is next to a given angle.
  3. 3. a branch of mathematics that studies relationships between side lengths and angles of triangles.
  4. 4. unit for measuring the size of an angle.