Maths

3. a solid bounded by 6 rectangular faces
5. the theorem that relates the three sides of a triangle
8. A line that intersects two or more other lines.
10. My Greek name is "hex"
12. the study of the relationship between the angles and the sides of a triangle

1. I have 2 sets of parallel sides but of different lengths and all my angles are equal
2. the measure of a occupied space by a solid is called
4. My sides are parallel and of equal lengths and i am also called a diamond
5. Lines that never intersect
6. a cuboid whose length and breadths are equal
7. A line in the same plane as the circle which intersects the circle in exactly on point
9. 1/3 pi "r square"is the volume of
11. A portion of a circle defined by two endpoints