Grade 7 mathematical Terminology by Maheesha De Silva

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Across
  1. 2. Time period of 10 years
  2. 4. In which polygons that reflex angles cannot be seen.
  3. 7. The name of 5 of the fraction 5/9
  4. 8. Is used to measure the magnitude of an angle
  5. 10. The straight lines that never meet
Down
  1. 1. Number of decimal places of the decimal number 0.456
  2. 3. triangle The triangle with all sides equal
  3. 5. which sides are equal in a rectangle.
  4. 6. The angle between hour hand and minute hand of a clock has this nature.
  5. 9. The type of the angle 89°