5/7
explanation: (5-0)/(7-0) = 5/7
Answer:
I am confusion
Step-by-step explanation:
If u use the app photomath it will give u answer with the steps too
A tangent forms a right angle with the centre of circle at the point it touches the circumference. i.e. OAB = 90 degrees
If AOB = 55 degrees, then ABO = 90 - 55 = 35 degrees