Geometric symbols

2. line from point A to point B
3. if they have the same shape and size, or if one has the same shape and size as the mirror image of the other
4. defined as a part of a line that has a fixed starting point but no end point.
6. are lines that intersect at a right (90 degrees) angle.
7. the ratio of the circumference of any circle to the diameter of that circle.
8. any smooth curve joining two points
9. it is the angle between two intersecting arcs of great circles on a sphere
10. The largest exponent the variable has in a polynomial with one variable.
11. arcsecond, 1′ = 60

1. defined as the measure of the angle formed by the two rays or arms at a common vertex
2. a straight one- dimensional figure that has no thickness and extends endlessly in both direction
4. equal to 90°
5. the figure formed by two rays meeting at a common end point.
6. are lines in a plane that are always the same distance apart.
7. arcminute, 1° = 60