Geometry Fun!

123456789101112
Across
  1. 3. the size of the outside of a shape
  2. 4. a triangle with a 90 degree angle
  3. 6. a shape with 4 equal sides
  4. 8. a triangle with an angle measuring more than 90 degrees
  5. 10. 3-D shapes with faces
  6. 11. a line dividing an angle into two equal parts
  7. 12. a shape with 6 sides
Down
  1. 1. a shape with 4 sides and 4 vertices
  2. 2. different ways to categorize shapes
  3. 5. the study of shapes, with area and perimeter
  4. 7. the size of the surface
  5. 9. lines where two sides of two polygons meet