Step-by-step explanation:
it is solved directly by using the formula
Answer:
We can determine from their equations whether two lines are parallel by comparing their slopes. If the slopes are the same and the y-intercepts are different, the lines are parallel. If the slopes are different, the lines are not parallel. Unlike parallel lines, perpendicular lines do intersect
Answer:
A
Step-by-step explanation:
Answer:
414.857143
Step-by-step explanation:
r=66
=2*66*22/7
=414.857143
