In the figure O is the centre of the circle. AOB 120" a) What is the measure of ADB ?
Answers
Answered by
1
Step-by-step explanation:
Angle sum property
AOB+DBO+DAO+ADB=360
120+90+90+ADB=360
120+180+ABD=360
300+ABD=360
ABD=360-300
ABD=60
Similar questions