5. BCD is a line segment and Angle BAC = 1/4 Angle ACB ; Angle ACD = ?
140
100
120
60
it cannot be determined from the information given
7. In the figure below, what is the slope of line l ?
- 3
- 1/3
0
1/3
3
9. Radius of circle center O is 3 times the radius of circle center C. Angle ACB = Angle POQ If the shaded area of circle C is 2 then what is the area of the shaded part of circle O ?