Shapes and Angles

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Across
  1. 1. THE ANGLES HAS 12 OF THESE ANGLES
  2. 6. A THREE SIDED 2D SHAPE
  3. 7. TOTAL INTERNAL ANGLES OF THE SHAPE
  4. 8. HOW MANY SIDES HAS A PENTAGON
  5. 10. AN ANGLE OF 90 DEGREES
Down
  1. 2. A TRIANGLE WITH THREE SIDES OF EQUAL LENGTH
  2. 3. A TRIANGLE WITH THREE DIFFERENT LENGTH SIDES THAT DOES NOT HAVE A RIGHT ANGLE
  3. 4. AN ANGLE >90 DEGREES
  4. 5. HOW MANY ACUTE ANGLES DOES THE SHAPE HAVE
  5. 8. HOW MANY RIGHT-ANGLES DOES THE SHAPE HAVE
  6. 9. A 2D SHAPE WITH EIGHT CORNERS
  7. 11. A TRIANGLE WITH TWO SIDES OF EQUAL LENGTH