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 interrect 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 intersect inside the circumference at E. Find angle AEC . If angle AOC = 40^(@) and angle BOD = 50^(@) .

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

If two chords AB and CD of a circle with centre, O, when producd intersect each other at the point P, prove that angle AOC- angle BOD=2 angle BPC .

Two chords AB and CD of a cricle with centre O intersect at P. Prove that angleAOD+angleBOC= 2 angleBPC .

Two chords AB and CD of the circle with centre at O intersect each other at an internal point P of the centre. Prove that angle AOD+ angle BOC=2 angle BPC

If AB is chord of a circle with centre O, AOC is a diameter and AT is the tangent at A as shown in figure. Prove that angleBAT=angleACB.