Maths Quiz Answers 7

Updated

Round seven's answers. 16 over 20 and 9 over 12 are not equivalent to three fifths, 112 is CXII, and the cube root of 216 is six.

Half base times vertical height gives the area of a triangle, two is the only even prime, and an eighth as a decimal is 0.125.

  1. 16/20, 16/20, 9/12
  2. CXII
  3. 6 because 6x6x6=216
  4. Area of a triangle
  5. Number 2
  6. 7102
  7. 0.125
  8. 5
  9. A number that is equal to the sum of its positive divisors (except itself)
  10. 1186cm, 11860mm
  11. 32.4
  12. Reflex angle (over 180 degrees)
  13. Pythagoras
  14. 2
  15. An Improper Fraction is defined as a fraction in which the numerator is larger than the denominator
  16. The horizontal x-axis
  17. 480, 560 and 596
  18. Polygon
  19. Vertex
  20. 96.6km