Geometry Word Puzzle

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Across
  1. 2. A line segment with both endpoints on the circle
  2. 3. b2*h+2(b1-b2/2*h) is the formula for the ? of a trapezoid
  3. 6. 1/2 d1*d2 is the formula for the area of a ?
  4. 8. 3:4:5 are ? triples
  5. 11. 1/2b*h is the formula for the area of a triangle
  6. 13. To find the centroid “center of mass” of the circle, find the intersection of the triangles ..
  7. 14. b*h is the formula for the area of a ?(not a square)
Down
  1. 1. b*h is the formula for the area of a ? (not a square or triangle)
  2. 4. The full width of a circle
  3. 5. 2b+2h is the formula for the ? of a rectangle
  4. 7. A line that intersects a circle exactly once
  5. 8. 1/2ap is the formula for the area of a ?
  6. 9. Half of the circles diameter
  7. 10. a+b/2 is the ? mean of a and b
  8. 12. A shape that has all equal sides