Circles and Angles
The line is tangent to the circle. Find the measure of arc BC.
The line is tangent to the circle. Find the measures of all three angles at point C.
If arc DB=145, and arc EC=85, what is the value of x?
Find the measure of arc CD.
Find the measure of BDC
Find the measures of angles 1 through 5 (they do not have to be in order as long as you specify which angle you're referring to). Justify your answers.
Real world
Mr. Rose is thinking of getting a new stand for his motorcycle. One possible stand is shown above. The main weight of the bike would be held by the three measured angles. What percent of the wheel is each of those three points supporting?