Maths project

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Across
  1. 1. ________the distance of point from y-axis
  2. 5. _______plane is also known as co-ordinate plane
  3. 7. _________1/2*b*h is formula for area of
  4. 8. ______Method involves removing one of the variable from the equation
  5. 9. ________the distance of point from x-axis
Down
  1. 2. ______triangles having no side equal
  2. 3. ______triangle saving two side equal
  3. 4. ______triangles having all side equal
  4. 6. _______polygon having no sides
  5. 7. _______Theorem basic proportionality theorem is also known as