Question

I have a question about chords in a circle
I have to draw it for you though.
(find x)

Answer 1

any arc lengths given?

Answer 2

No, only description is:
"The drawing to the right shows two chords intersecting inside the circle."

Answer 3

Well, we know from the properties of chords that \(5*12 = 60=7.5*x\) so \(x= 8\)

Answer 4

I did not know that. Will you show me?

Answer 5

I found it under one of the properties here. The third from last property listed under Chord http://en.wikipedia.org/wiki/Circle#Chord

Answer 6

for a nice example that demonstrates a slightly more complicated problem, see http://www.algebralab.org/Word/Word.aspx?file=Geometry_CirclesAnglesChords.xml

Answer 7

Thanks kinggeorge

Answer 8

your welcome