TWO DIMENSIONAL SHAPES

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Across
  1. 1. A 4-SIDED SHAPE WITH OPPOSITE SIDES THAT ARE PARALLEL
  2. 3. A ROUND SHAPE FORMED BY A CURVED LINE
  3. 5. LINES THAT, IF EXTENDED, WOULD NEVER CROSS
  4. 7. A 3-SIDED SHAPE
  5. 8. ANY 4-SIDED SHAPE
  6. 9. AN ANGLE THAT FORMS A PERFECT 90-DEGREE CORNER
  7. 10. A PARALLELOGRAM WITH 4 EQUAL SIDES; ALSO KNOWN AS A DIAMOND
Down
  1. 2. A PARALLELOGRAM WITH 4 RIGHT ANGLES
  2. 4. THE POINT AT WHICH TWO SIDES OF A SHAPE MEET
  3. 6. A RECTANGLE WITH 4 EQUAL SIDES
  4. 7. A 4-SIDED SHAPE HAVING ONLY ONE PAIR OF PARALLEL SIDES