Is a tangent line shown in each image below?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

When the ball has traveled a distance of

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)