Maths Puzzle -1

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Across
  1. 3. the value of cube root of 64
  2. 5. a triangle with 2 equal sides
  3. 8. anything raised to the power 0 is equal to __
  4. 9. 2×(length + width) calculates the ___ of a rectangle
  5. 11. a polygon with 6 sides
  6. 12. indicates how many times the base is multiplied by itself
  7. 14. a fraction where the numerator is greater than the denominator
Down
  1. 1. a quadrilateral with only one pair of parallel sides
  2. 2. the smallest whole number
  3. 4. the largest number that divides two given numbers without a remainder
  4. 6. a set of numbers that include positive whole numbers, their additive inverse and zero
  5. 7. the point where 2 lines meet to form an angle
  6. 9. numbers that have exactly 2 divisors, 1 and the number itself
  7. 10. a line segment from the center of a circle to its edge
  8. 13. the ratio of a circle's circumference to its diameter