Circle Theorem: A Tangent Meets a Radius at 90° (Mathematics Lesson)
Circle Theorem: A Tangent Meets A Radius at 90°The tangent to a circle makes 90° with the radius which it meets at the point at which it touches.
Real Examples of How to Use the Circle Theorem that a Tangent Meets a Radius at 90°The slider below shows real examples which use the circle theorem that a tangent meets a radius at 90°:
NoteWHAT IS A CIRCLE?
A circle is a shape containing a set of points that are all the same distance from a given point, its center.
CIRCLE THEOREMSCircle theorems relate to the angles and lines within circles.
That a tangent meets a radius at 90° is one of the circle theorems. There are several others.
Read more about circle theorems