Question

ABCD is a quadrilateral inscribed in a circle having angle a = 120⁰ and O is the centre of the circle. Find (i) angle OBD (ii) angle ODB (iii) angle BCD​

Answer 1

Step-by-step explanation:

the quadrillateral is angle sum of measures 360 degree

m angle is A=120 degrees

then opposite side equals

m angle A&angle BCD

BCD=120 degree

then,

angle OBD&angle ODB

OBD,ODB=1/2 BCD

OBD,ODB=1/2 (120)

OBD,ODB=60 degree