Geometry Triangle Quadrilaterals

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Across
  1. 3. ___________ triangle has 3 acute angles
  2. 4. The ______ angles of a trianle = 180 degrees
  3. 6. Parallelogram, but all sides are = all angles =90 degrees
  4. 7. Angles on a __________line = 180 degrees
  5. 9. = 360 degrees
  6. 10. ______________ angles = 90 degrees
  7. 13. The ________ angle of a triangle is equal to the sum of the opposite and non-adjacent interior angles.
  8. 15. a____________ triangle has one obtuse angle
  9. 16. Both pairs of opposite sides are parallel and equal
Down
  1. 1. Parallegram but all sides are equal
  2. 2. Interior angles of a ___________= 360 degrees
  3. 5. a Triangle that has two equal sides
  4. 8. One pair opposite sides are parallel
  5. 11. Parallelogram,but angles = 90 degrees, opposites sides are equal
  6. 12. _____________opposite angles are equal(form an x)
  7. 14. _________ angled triangle has one 90 degree angle