Question

3.
A
In the adjoining figure, AB CD and AB = CD. Prove that:
(a) AAOBADOC
(b) OA = OD
(c) OB =OC​

Answer 1

GIVEN:

• Let ABCD is a parallelogram

• AC and BD are two diagonals

• AD=BC

RTP:

• AC=BD ( sides of llgm =)

• AO=OD (llgm diagonal object each other)

• OB=OC (Object each other)

By sss congruence rule:

• Therefore triangle AOB congruent DOC

• AOB=DOC(by sss rule)

Mark dear (brainliest)❤

Answer 2

Answer:

(a)

this is your ans

sorry I don't know the rest

but I hope it helps you