Question

Please do it in notebook and send ​

Answer 1

Step-by-step explanation:

In ∆oBC and ∆ oAD

<B = <A = 90°

( as AD and BC are perpendiculars )

and oB =oA (given)

and <BOC = < AOD

( vertically opposite angles )

∆ oBC = < oAD

( by AAS congruence rule )

= oA =oB ( by c.p.c.t)

= CD bisects AB

hence proved