Question

Chords AB and CD of the circle intersect each other in point m. the centre of the circle is P. the radius of the circle is 13 cm and pm is equal 15 CM. find the product CM X DM

Answer 1

$\underline{ANSWER}$

$\color{green}{STEP-BY-STEP EXPLANATION}$

$<b>{AB and CD are chords of a circle, intersecting at P, hence AB*PB = CP*PD or 18*8 = 18*PD}$

, so

$\boxed{PD = 8 cm}$