Shape and Space 6
1 mark · EasyChords AP and BP intersect inside a circle at point P. If AP = 4 cm, BP = 6 cm, and CP = 8 cm, find DP.
Show answer
3 cm (±0)
Common mistakes: Adding instead of using chord property
Show mark scheme and worked solution
Marking points
A1 · 1 mark · Correct value for DP, using AP × BP = CP × DP.
Worked solution
At intersection: AP × BP = CP × DP