# Triangle competition problem

• Dec 4th 2010, 04:28 PM
Veronica1999
Triangle competition problem
Please find attached problem and my work.
I am stuck.
• Dec 5th 2010, 02:06 AM
earboth
Quote:

Originally Posted by Veronica1999
Please find attached problem and my work.
I am stuck.

1. Have a look here: Intersecting Chords Theorem

2. The radius of your circle is r = PB = 3. Produce BP until it intersect the circle in F.

3. According to the chord theorem you'll get:

$\overline{FD} \cdot \overline{DB} = \overline{AD} \cdot \overline{DC}$
• Dec 5th 2010, 08:56 AM
Veronica1999
Thank you!!!!
How did you become so good at geometry?