what is a concurrent
3 or more lines meeting at the centre
what is collinear
3 points on one line
what is a complimentary angle
2 or more angles that equal to 90 degrees
what is an adjacent angle
an adjacent angle is 2 angles next to each other sharing a side
what is a supplementary angle
2 or more angles that equal to 180 degrees
what is a corresponding angle
the f rule
what is a alternate angle
the z rule
what is a cointerior angle
the u rule