ABCD is a quadrilateral inscribed in a circle. If m(A) =....

[Mathisconfusing101]

ABCD is a quadrilateral inscribed in a circle. If m(angle)A=65° then m(angle)C=___.

A. 32.5. degrees B. 115 degrees C. 130 degrees

 

[tkhunny]

Whatever part of the circle is cut by DAB, it is the case that DCB cuts the rest of the circle.

 

[Mathisconfusing101]

so that would be answer B. 115 because then its 180...

rite?

 

[TchrWill]

Re: Spheres and Constructions

ABCD is a quadrilateral inscribed in a circle. If m(angle)A=65° then m(angle)C=___.

A. 32.5. degrees B. 115 degrees C. 130 degrees

A quadrilateral inscribed within a circle is called a cyclic quadrilateral.

The opposite angles of a cyclic quadrilateral total 180º.

 

[Mathisconfusing101]

thanks! i have 10 days to finish an entire online class... so ill be on here a lot...

thanks for the help!