Question

Find the unknown length x in the following figures: ​

Answer 1

Answer:

Your answer is in the attattachment!

Hope it helps u!!

Answer 2

Step-by-step explanation:

When two chords of a circle intersect internally or externally, then the products of the lengths of segments are equal.

i.e. PA x PB = PC x PD

⇒8×9=4×x

$= \: \frac{72}{4} \times x$

⇒18=x

Therefore, PD = x = 18 cm