Maths crossword

12345678
Across
  1. 3. a list of numbers in which each term is obtained by adding a fixed number to the preceding term except the first term
  2. 5. figure formed on joining three non collinear points
  3. 6. the branch of mathematics that deals with shapes, their sizes and other properties
  4. 7. numbers which are in form of p/q where q≠0
Down
  1. 1. An integer that is multiplied to the variable
  2. 2. the difference in direction between two lines or surfaces that is measured in degrees
  3. 4. figures that are same in shape and size
  4. 7. a line with a single endpoint
  5. 8. it is the observations which occur maximum number of times in a data.