On a map 2 centimeters represents 100 kilometers. how much of a centimeter represents 20 kilometers

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

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

With #! i’ve tried to figure it out but i can’t.