Chapter 10.2: Properties of Tangents Flashcards
1
Q
Thm. 10.1
A
if a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency.
2
Q
Thm. 10.2
A
in a plane, if a line is perpendicular to a radius of a circle at its endpoint on the circle, then the line is tangent to the circle.
3
Q
Thm. 10.3
A
if two segments from the same exterior point are tangent to a circle, then they are congruent.
4
Q
Inscribed circle
A
a circle is inscribed in a polygon if each side of the polygon is tangent to the circle.
5
Q
Circumscribed circle
A
a circle is circumscribed about a polygon if each vertex of the polygon is on the circle.
