All of those are true, except the one about the radius. Because alternate definition of diameter uses the idea of chord. So, both ends of a chord have to be on the circle, but one end of a radius is at the center, so a radius can't be a chord.
It is simple, each y=3x so, lets just say that you have 8y, that would be equal to 24x. In other words, just multiply the number of y's, by 3
Answer:
cosC =
Step-by-step explanation:
cosC = = =
42 = (3•t) + (30)
42=12 + 30
42=42
T=4
Answer:
the measure of angle 2 is 50 degrees
Step-by-step explanation:
vertical angles are always congruent which basically means they are on opposite sides from each other so they are the same measurement, like a mirror