moonwisper12
moonwisper12
13-02-2018
Mathematics
contestada
Which is correct? A.b.c.
Respuesta :
mathmate
mathmate
13-02-2018
By geometry, there is a relationship between the tangent PA and the segments PB and PE, namely
PA^2=PB*PE
so
PE=PA^2/PA=6^2/4=9
BE=PB-PE=9-4=5
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