Question

AB and CD are 2chords intersecting at P PA =3 PB=4cm PD=6 cm a)find pc, b)what is the length of CD c)write the concept used to solve this​

Answer 1

Answer:

PA^2+PB^2+PD^2+CD=360

3^2+4^2+6^2+x=360

9+16+36+x=360

61+x=360

x=299

CD=299

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