Define perpendicular lines. a. lines that cut across two or more lines. b. two non–coplanar lines that do not intersect. c. two coplanar lines that do not intersect. d. two coplanar lines that intersect at a 90 degree angle.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Find the measure for the angle indicated in bold