Question

In figure,OD perpendicular OC. Find <AOD + <COB.​

Answer 1

Answer:

90 degrees

Step-by-step explanation:

since total angle is 180

and do is perpendicular to oc

180-90=90

Answer 2

Answer:

<AOD +π/2+<BOD = π (S.A.P)

so by solving this answer will be π/2 radians