Math Crossword

2. , The amount of surface enclosed by a plane figure.
4. , A solid shape having six equal square faces.
7. , A pair of angles whose sum is 90°.
8. , A property in which one half of a figure is the mirror image of the other half.
10. , The total distance around a closed figure.
14. , A symbol used to represent an unknown number.
16. , A fraction or ratio expressed out of 100.

1. , A quadrilateral with one pair of opposite sides parallel.
3. , A mathematical sentence showing equality.
5. , The point where two sides of an angle meet.
6. , A line segment passing through the centre of a circle and joining two points on the circle.
9. , A number having exactly two factors.
11. , The distance from the centre of a circle to its boundary.
12. , Lines that never meet even when extended.
13. , The result obtained after multiplication.
15. , A polygon with five sides.