Question

preciso das letras b, c, d e e

Answer 1

b) triângulo KLH
13^2=12^2+LH^2
169=144+LH^2
LH^2=25
LH=5

c) cos G= ca/hip
cos G= 9/15
cos G= 3/5

d) sen K= co/hip
sen K= 5/13

e) cos K= ca/hip
cos K= 12/13