Answer:
using pythagoras theorem
H^2=P^2+B^2
here h=MN ,opposite(P) be 15 and adjacent(B) be 16
(MN)2=15^2+16^2
(MN)^2=225+256
MN=[tex]\sqrt{481}[/tex]
MN=21.93
after rounding off MN=21.9
Step-by-step explanation:
