Mathematics for IGCSE & O level - Circle Theorems (Section 1 - No. 35)
Which of the following statements are true regarding a tangent and a chord in a circle?
A tangent is perpendicular to the radius at the point of contact.
The tangent intersects the chord at the point of contact.
The angle formed between them equals the angle in the alternate segment.
The tangent bisects the chord.
Explicación
A tangent is perpendicular to the radius at the point of contact and the angle between the chord and tangent is equal to the angle in the alternate segment.