To be tangent to a circle or arc, a line must touch the circle or arc at only one point, and a line drawn from the center of the circle or arc must be perpendicular to the tangent line at the point of tangency. (See Figure 6.82.)

As a regular news reader I thought I was across the eccentricities of the US president.

But tho' this Family might make an honourable Figure at the Bar, yet it ſeems a little unaccountable how a Chancellor of the Bourbonnois came to be charg'd with the Reformation of the whole French Kingdom.

He sent for the celebrated necromancer who lived at the sign of the Goatskin and whose familiar spirit so plagued the thief that he returned the stolen goods to their rightful owner, for which the sorcerer was paid ten rix-dollars.