gemetery dash

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Across
  1. 4. if and only if it had a second?
  2. 5. made of all equalteral triangles
  3. 7. people say it is a < ute part of math
  4. 13. if a rhombus and a rectangle had a baby
  5. 14. x marks the spot
  6. 17. a^2 + b^2 = c^2
  7. 18. if you add up both of the parallel bases then divide them by 2 you find the midpoint of this shape
  8. 19. has to do with A=
Down
  1. 1. if it is not an isoclies triangle that it will not have 2 congruent sides
  2. 2. the middle of a group of numbers
  3. 3. =
  4. 6. it measures the length arround a shape
  5. 8. of depression when you look down that angle is the same as the angle of elevation
  6. 9. A right angle formed from 2 lines
  7. 10. 2 lines that can be tight but never touch. never ending but in the same plane
  8. 11. you fly this in the sky also A=.5xd1xd2
  9. 12. a line from the base of the triangle to the tippy top of the triangle
  10. 15. supplementary pair that ways equals 180
  11. 16. if 2 triangles have 2 congruent sides then it is an isoclies triangle