2013 · Q54
Diameter of circle with centre C is 50 cm. CP is radial segment. AB is chord perpendicular to CP through P. CP produced meets circle at D. If DP=18 cm, then length of AB?
Elementary MathematicsGeometry
- A24 cm
- B32 cm
- C40 cm
- D48 cm
Explanation
CP=25, CD=25, PD=18→... AB=48. Answer D.