Question

If the measure of arc EAB=195 and the measure of arc EC=75. What is the measure of angle EDC?

Answer 1

The angle formed by the intersection of by the intersection of 2 tangents, 2 secants or 1 tangent and 1 secant outside the circle equals half the difference of the intercepted arcs.

Answer 2

m< EDC =( 1/2) (195 -75) = 60

Answer 3

so half of 75?

Answer 4

ooooohhh! ok, i see!