Question

Pls do this quick.
Important

Answer 1

Answer:

here we can use pythagoras theorem

Step-by-step explanation:

in triangle ACP,

AC^2= AP^2+PC^2

3^2= AP^2+ 4^2

9= AP^2+ 16

AP^2= 16-9= 7

AP=2.64 cm

in triangle pbc,

PC^2= PB^2+BC^2

4^2= PB^2+ 5^2

16= PB^2= 25

PB^2= 25-16=9

PB= 3 cm