Hey guys

Two perpendicular chords AB and CD of a circle, centre O, intersect at E. Prove that + = 180 degrees.

Could someone please help me? I can't seem to work this one out.

Printable View

- May 19th 2009, 12:54 AMxwrathbringerxCircle Geometry
Hey guys

Two perpendicular chords AB and CD of a circle, centre O, intersect at E. Prove that + = 180 degrees.

Could someone please help me? I can't seem to work this one out. - May 19th 2009, 04:08 AMGrandad