2009 · Q31
PQ is a common chord of two circles. APB is a secant line joining points A and B on the two circles. Two tangents AC and BC are drawn. If ACB = 45°, then what is AQB equal to?
Elementary MathematicsMensuration
- A75°
- B90°
- C120°
- D135°
Explanation
Solved; answer D.