Question

plzz solve it fast ..... and I definitely mark you brainlist...

Answer 1

here is your answer.........

Answer 2

In the given figure ABCD is a rectangle in whichAD and BC are equal

then

In triangle AOD and BOC

AD=BC

<AOD=<BOC

<OAD=<OCB

The two Triangles are congruent by SAS criteria

then

By cpct all sides are equal of two Triangle

now

OB+OD=OA+OC

then

OB^+OD^=OA^+OC^