Mathematics

2. equal chords of a circle are ___ from the center.
4. is a polynomial of degree two
6. if the sum of a pair of opposite angles of a quadrilateral is 180, the quadrilateral is ___.
7. The coordinate axes divide the plane into four parts called.
9. quadrilateral formed by joining the mid-points of the sides is a.

1. the line segment joining the mid-points of two sides of a triangle is parallel to the.
3. If the diagonals of a quadrilateral bisect each other, then it is a.
5. arcs of a circle subtend equal angles at the center.
6. the collection of all the points in a plane, which are at a fixed distance from a fixed point in the plane, is called a.
8. angle is an angle in a semicircle is a right angle.