geometry find

2. the value in the middle of a data set
3. an angle smaller than 90 degrees
4. divide (a line, angle, shape, etc.) into two equal parts.
5. Angle the angle between adjacent sides of a rectilinear figure.
8. a 3-sided polygon
9. a line from the center of a regular polygon at right angles to any of its sides.
11. the branch of mathematics concerned with specific functions of angles and their application to calculations.
13. a straight line from the center to the circumference of a circle or sphere.
14. formed by two chords that have a common end point on the circle
15. is a four-sided figure.

1. at an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
3. the distance between two points along a section of a curve.
6. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
7. refers to a point that is in the middle of the line joining two points.
10. a three-dimensional shape consisting of two parallel circular bases, joined by a curved surface.
12. is a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.