[" 40.In a circle with centre "0," Chords "AB" and "CD" intersect inside the circumference at "E" .Prove that "],[/_AOC+/_BOD=2|/_AEC]

In a circle with centre O, chords AB and CD intersect inside the circumference at E .Prove that /_AOC+/_BOD=2/_AEC

In a circle with centre O, chords AB and CD intersect inside the circumference at E. Prove that /_AOC+/_BOD=2/_AEC.

In a circle with centre O , chords A B\ a n d\ C D intersect inside the circumference at E . Prove that /_A O C+\ /_B O D=2\ /_A E C

In a circle with centre O,chords AB and CD interrect inside the circumference at E.Prove that /_AOC+/_BOD=2/_AEC

In a circle with centre O , chords A Ba n dC D intersect inside the circumference at Edot Prove that /_A O C+/_B O D=2/_A E Cdot

In a circel with centre O. chords AB and CD interest inside the circumference at E. Prove that angle AOC+BOD=2angle AEC .

In a circle with centre O, chords AB and CD intersect inside the circumference at E. Find angle AEC . If angle AOC = 40^(@) and angle BOD = 50^(@) .

Common tangents AB and CD to two circles intersects at E.Prove that AB=CD

In a cricle, two chords AB and CD intersect at a point P inside the circle. Prove that (a) Delta PAC~ Delta PDB" " (b) PA*PB=PC*PD .

In a circle,chords AB and CD intersect at a point R inside the circle.If AR: RB=1:4 and CR:RD=4:9, then the ratio AB:CD is