opposite angles are supplementary

Which of the following is / are correct with respect to a parallelogram? I. Diagonals bisect each other. II. Adjacent angles are supplementary. III. Opposite sides are congruent and parallel. => I only or I, II, and III or II only or III only..

Two angles are said to be supplementary, if the sum of their measures is 180 o..

They are a pair of angles, the sum of whose measures is equal to 180 o . These may be adjacent angles as well. [See figure below] [See figure below] (non-adjacent angles..

In this type, the leaves are arranged in pairs at each node. When the opposite leaves arise in the same plane at successive nodes, it is said to be opposite superposed phyllotaxy. e.g., Quisqualis. When each opposite pair of leaves are at right angles to each..

Which pair of exterior angles are supplementary? => ∠ 10, ∠ 8 or ∠ 5, ∠ 8 or ∠ 11, ∠ 12 or ∠ 4, ∠ 6..

If the sum of the two angles is one right angle (i.e., 90 o ), they are called complementary angles..

If a pair of angles are adjacent as well as supplementary then they are said to form a linear pair. are adjacent angles, and [See figure below..

In a triangle, which is the side opposite to the obtuse angle? => the greatest or either the greatest or the smallest or the smallest or neither the greatest nor the smallest..

When two straight lines intersect each other at a point, the pairs of opposite angles so formed are called vertically opposite angles..

If supplementary angles are congruent, each of them is a _____ angle. => Obtuse or Straight or Right or Reflex..