In the adjoining figure O is the centre of the circle whose diameter is MN. Measures of some central angles are given in the figure. hence find the following(1) m∠ AOB and m∠ COD(2) Show that arc AB ≌ arc CD.(3) Show that chord AB ≌ chord CD

In the adjoining figure O is the centre of the circle whose diameter i

1.	In the adjoining figure O is the centre of the circle whose diameter is MN. Measures of some central angles are given in the figure. hence find the following(1) m∠ AOB and m∠ COD(2) Show that arc AB ≌ arc CD.(3) Show that chord AB ≌ chord CD
Answer» In the adjoining figure O is the centre of the circle whose diameter is MN. Measures of some central angles are given in the figure. hence find the following (1) m∠ AOB and m∠ COD (2) Show that arc AB ≌ arc CD. (3) Show that chord AB ≌ chord CD