Question

If chords AB and CD of the circle intersect each other at right angles then find X + Y

Answer 1

Answer:

x+y=90°

Step-by-step explanation:

let<CAO=x and<OBD=y

In right angled triangle DOB,

<D+<O+<B=180°(angle sum property of a triangle.)

x+90°+y=180°

x+y=180°-90°

=90°

Answer 2

hope it is helpful for you!