70.6k views
4 votes
35 POINTS!!!

What is the value of c? Assume that the line is tangent to the circle.


140


190


220


250

35 POINTS!!! What is the value of c? Assume that the line is tangent to the circle-example-1
User Pamella
by
6.1k points

2 Answers

4 votes
It would be 140, i dont think it would be 220
User TRD
by
7.4k points
4 votes

The 110 angle given is half the angle of the portion of the circle on the same side of the chord, so that portion of the circle opposite C is 110 x 2 = 220.

A full circle is 360 degrees, so C would be 360 - 220 = 140

C = 140

User Jmcnevin
by
7.7k points