Math nino b

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Across
  1. 4. what is a triangle that has all sides and all angles equal?
  2. 7. what is the line from the center to a point on a circle called?
  3. 8. the longest section of a circle
  4. 9. which shape has all sides and all angles equal?
  5. 10. what is a geometric figure with parallel sides equal?
Down
  1. 1. angles that intersect each other
  2. 2. two lines that do not intersect
  3. 3. a square whose opposite angles are equal.
  4. 5. an angle that is greater than 90°
  5. 6. a triangle with two equal sides