Given: Two distinct circles that are tangent to each other at a common point. How many tangent lines can be drawn that touch both circles? A. 3 B. 1 C.2

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?