Question

in adjoing figure, O is centre of circle. OD and OE are perpendiculars from centre O,to the chords AB and BC respectively. let ab = 7 cm, angle obd = 40 ° ,od = or and angle fog = 100° .
calculate :
length of the chord bc​

Answer 1

Answer:

iiiiiiiiyhhhhhhhhhhh

Step-by-step explanation:

hhhjjjjbbb

Answer 2

Answer:

xufzufxugcig it y

Step-by-step explanation:

mark as brain list to the upper ans