Meow

123456789
Across
  1. 2. The ratio of the adjacent side to the hypotenuse in a right-angled triangle (6 letters).
  2. 3. The figure formed by two rays meeting at a common endpoint (5 letters).
  3. 4. A diagram representing a system of connections among two or more things by a number of distinctive dots, lines, bars, etc. (5 letters).
  4. 7. A straight path that extends infinitely in both directions (4 letters).
  5. 9. A line that touches a circle at exactly one point (7 letters).
Down
  1. 1. A round plane figure whose boundary consists of points equidistant from the center (6 letters).
  2. 3. The extent of a two-dimensional surface within a boundary (4 letters).
  3. 5. A relationship between two numbers indicating how many times the first number contains the second (5 letters).
  4. 6. A line that intersects a circle at two points (6 letters).
  5. 8. The ratio of the opposite side to the hypotenuse in a right-angled triangle (4 letters).