G10- PROVING SECANT AND TANGENT SEGMENTS | Learning Task 3 Week 5-6

G10- PROVING SECANT AND TANGENT SEGMENTS | Learning Task 3 Week 5-6

SECANTS, TANGENTS, SEGMENTS AND SECTORS OF A CIRCLE WEEK5-6 LEARNING TASK 3 PROVING Given: KL and KM are tangent and secant segments, respectively, of ʘO drawn from exterior point K. KM intersects ʘO at N. Prove: (KL)2 = KM* KN Draw and so that we formed two similar triangles. Then show the proof using the Two-Column Proof.