10.2 Properties of Tangents Flashcards
1
Q
If a line is tangent to a circle, then…
A
It is perpendicular to the radius that’s drawn to the point of tangency
2
Q
In a plane, if a line is perpendicular to a radius of a circle at its endpoint on the circle, then…
A
The line is tangent to the circle
3
Q
If two segments from the same exterior point are tangent to the circle, then…
A
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 (around) a polygon if each vertex of the polygon lies on the circle