Geometry

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Across
  1. 3. an intersecting system of lines
  2. 5. proportional sides of similar shapes
  3. 6. a degree of measure of an angle at the center of a circle whose arc length
  4. 8. opposite over hypotenuse
  5. 10. adjacent over hypotenuse
  6. 11. shapes that are exactly the same size and shape
Down
  1. 1. when two lines intersect, they are the angles across from each other (congruent)
  2. 2. the side opposite the right angle in a right triangle
  3. 4. the branch of mathematics concerned with angles and sides of triangles
  4. 7. side attached to the reference angle
  5. 8. same shape but proportional size
  6. 9. opposite over adjacent