Medal

Prove that opposite sides of a parallelogram are congruent. Be sure to create and name the appropriate geometric figures.

Question

Medal 

Prove that opposite sides of a parallelogram are congruent. Be sure to create and name the appropriate geometric figures.

nnesha · Answer

huh ???

sedatefrog712 · Answer

i need help @Nnesha  can you help me please

loser66 · Answer

ok, it's not that hard, friend.|dw:1419965849244:dw|

nnesha · Answer

i'm not gooooood in it :(

loser66 · Answer

parallelogram 's definition give you AD = BC
AB = CD
the common side BD 
hence compare the 2 triangles ABD, BDC you have they are equal, that gives you $\angle$ BAD =$\angle$ BCD

loser66 · Answer

do the same with |dw:1419965991152:dw|

sedatefrog712 · Answer

ok

loser66 · Answer

DAT SIT
All you need is proving the opposite angles are congruent. And you got it

sedatefrog712 · Answer

Ok thank you so much for the help :D

loser66 · Answer

:) Next time, tag @Nnesha  he is good, just too lazy to help hahaha...

nnesha · Answer

O_O

sedatefrog712 · Answer

Lol ok