Question

Write The Theorems Of Circles

Answer 1

Theorms of circles are -

• First circle theorem - angles at the centre and at the circumference.
• Second circle theorem - angle in a semicircle.
• Third circle theorem - angles in the same segment.
• Fourth circle theorem - angles in a cyclic quadlateral.
• Fifth circle theorem - length of tangents.
• Sixth circle theorem - angle between circle tangent and radius.
• Seventh circle theorem - alternate segment theorem.
• Eighth circle theorem - perpendicular from the centre bisects the chord