Maths Puzzle

3. : a unit of measurement equal to 1000 metres
6. : straight line segment that passes through the center of the circle and it is equal to two radius
9. : A unit of measure for the size of an angle.
10. : a period of time equal to sixty seconds
13. : An angle of 90 degrees.
15. : Arrange numbers according to size or value.
18. : Having the same amount of value.
19. : Any number less than zero.
20. : Approximate an answer.

1. : The operation to use when finding the product.
2. : In size order from largest to smallest.
4. : An angle between 90 and 180 degrees.
5. : a number expressed as a quotient, in which a numerator is divided by a denominator
7. : The operation to use when finding the sum.
8. : a relative value indicating hundredth parts of any quantity
11. : a chart or graph which uses pictures to represent data in a simple way.
12. : a 3D shape with 6 square sides
14. : Multiply a number by itself.
16. : A unit of measure for the size of an angle.
17. : Numbers that are in between whole numbers.