Please help! A quadrilateral (Not Regular) is inscribed in a circle. One of the angles is 82°, find the angle that is opposite the given angle. Show all calculations.

Question

Please help! A quadrilateral (Not Regular) is inscribed in a circle.  One of the angles is 82°, find the angle that is opposite the given angle.  Show all calculations.

asnaseer · Answer

This is a cyclic quadrilateral - do you know the properties of this shape?

anonymous · Answer

No it doesn't give any properties.

asnaseer · Answer

This site might help you understand what a cyclic quadrilateral is: http://www.mathsteacher.com.au/year10/ch06_geometry/10_cyclic_quadrilaterals/cyclic.htm Basically opposite angles in a cyclic quadrilateral are supplementary (i.e. they add up to 180 degrees)