Mathematics crossword

123456789
Across
  1. 2. The study of shapes.
  2. 5. A branch of mathematics dealing with angles and sides of a triangle.
  3. 6. Value of this number is 3.14
  4. 7. A vertical line present on the left side of a graph is the _____.
  5. 8. An algebraic expression consisting of one term.
  6. 9. To put 2 or more things in a straight line.
Down
  1. 1. A 3D figure with 12 sides and 6 faces.
  2. 3. A fraction is also known as a ____ number.
  3. 4. A shape with 3 vertices.