CLASS-8
PROPERTIES OF PARALLELOGRAM

∠A + ∠D =  180⁰,

∠D + ∠C =  180⁰

∠C + ∠B =  180⁰,

∠B + ∠A =  180⁰

a) It’s opposite sides are equal.

b) It’s opposite angles are equal

c) It’s diagonals bisects each other

d) Each of its diagonals divides it into two congruent triangles.