ᴘʟs sᴏʟᴠᴇ ᴛʜɪs.....ᴅᴏɴᴛ sᴘᴀᴍ
Attachments:
Answers
Answered by
4
☆Answer☆
Given:-
ABCD is a quadrilateral
AB=CD
AB||CD
☆Construction ☆
Join A and C
☆Proof ☆
In quadrilateral ABCD
AB=CD and AB||CD
AC is transversal line
angle DCA and angle BAC ( Alternate angles)
In triangle DCA and triangle BAC
DC=AB ( given)
angle DCA = angle BAC
AC= AC ( common side )
triangle DAC congruent to triangle BAC (side angle side )
angle DAC = angle BCA
Similarly prove DA|| CB
Hence , It is a parallelogram...
Attachments:
Answered by
4
Answer:
hi
good morning
have a nice day
Step-by-step explanation:
please follow,thank and brainylist please
Similar questions