Answer:
it is 80°
cause it is coming from the same cord AB
O and C will be same
Answer:
d
Step-by-step explanation:
Answer:
4^2
Step-by-step explanation:
Out of the 3 points, only ABC are collinear. Hence, only ABC can be chosen. The chances of choosing ABC out of ABCD is 1/4. Hence, the probability is 25%.