Tangent Perpendicular to Radius
tangent perpendicular radius at point of contact
Definition
The tangent at any point of a circle is perpendicular to the radius through the point of contact.
Related Formulas
Area of Sector
A = (theta/360)*pi*r*r
Length of Arc
l = (theta/360)*2*pi*r
Circumference of Circle
C = 2*pi*r
Study Tools
Question
Tangent Perpendicular to Radius
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Answer
tangent perpendicular radius at point of contact
The tangent at any point of a circle is perpendicular to the radius through the point of contact.
Used In
- Circles
Frequently Viewed Together
Area of Circle
A = pi*r*r
Quadratic Formula
quadratic formula roots
Expansion of 2×2 Determinant
determinant 2x2