purannepali858 purannepali858 11-05-2021 Mathematics contestada DADRBC परस्परमा विन्दुमाकाटिएका छन् । प्रमाणित गर:0 AAOBADOCAO=DOBOCOin the adjoining figure, AB||CD,ABCD and AD and BC Intersecteach other to prove thatAAOB ADOC(1) AO = DO and BO = CO