Question

Provd that the tangents drawn at the end points of chords of a circle make equal angles with the chord?

Answer 1

To prove PT=QT

Proof: Consider the triangle OPT and OQT.

OP=OQ

∠OPT=∠OQT=90∘

OT=OT (common side)

Hence by RHS the triangles are equal.

Hence PT=QT