Smartness

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Across
  1. 1. middle point of the line
  2. 5. angles next to each other
  3. 6. addition of numbers
  4. 7. angle measure
  5. 11. measure and draw angles
  6. 13. two numbers being divided
  7. 15. two lines meeting at a 90 degree
  8. 18. adjacent to hypotenuse
Down
  1. 2. a triangle with two or more equal lengths
  2. 3. a line touching the circle
  3. 4. less than 90 degrees
  4. 8. not intersecting
  5. 9. space of flat surface
  6. 10. line going up and down
  7. 12. cut into two
  8. 14. measure of a line rise
  9. 16. having the same measurement
  10. 17. quantity of three dimensional shapes