" 29) Prove that the angle pair opposite the axial trunk "180^(@)" it happens. "

Prove that vertically opposite angles are equal.

Prove that the sum of the three angles of a triangle is 180^(@).

If each pair of opposite angles are equal then it is a

Prove that the sum of the three angles of a triangle is 180^0dot

If the sum of any pair of opposite angles of a quadrilateral is 180^(@) ; then the quadrilateral is cyclic.

If two consecutive angles of cyclic quadrilateral are congruent, then prove that one pair of opposite sides is congruent and other is parallel.

Prove that if both pairs of opposite sides of a quadrilateral are equal, then it is a parallelogram.

Prove that the bisectors of the angles of a linear pair are at right angles.

The sum of either pair of opposite angles of a cyclic quadrilateral is 180^(@) OR The opposite angles of a cyclic quadrilateral are supplementary.

Prove that the opposite angles of a cyclic quadrilateral are suplemenary.