Question

In the given fig., ABCE is a cyclic quadrilateral and O is the centre. Angle AEC = 110⁰. Find angle ABC and angle ADC.​

Answer 1

Answer:55

Step-by-step explanation:

The angle ADC is half the angle 110 degree because angle drawn to the circle from a chord is double any angle subtended by the same chord to any other point.

Answer 2

angle AOB=180°-110°=70°

LET angle OAB be x°.

angle OAB=angle OBA= x°(both are radii of same circle)

x°+x°+70°=180°

or,2x°=180°-70°

or,2x°=110°

or,x°=110°/2

or,x°=55°

Answer:

Angle ABC=55°

Similarly,Angle ADC=55°

Step-by-step explanation:

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