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romanna [79]
3 years ago
14

How do you prove each of the following properties of a parallelogram?

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Step-by-step explanation:

the opposite angles are equal

i.e. i) < A = <C ii) < B = < D

the opposite sides are equal that is

i)AB =CD

ii) AD= BC

the diagonals bisect each other

i) AO=OC

ii)BO=OD

the adjacent angle are supplementary . that is

i)<D + < C=180 DEGREE

ii)<A+<D=180degree

iii)<B+<C=180 degree

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