Question

NUM TRIÂNGULO ABC SÃO DADOS B=60,C=45 E AB=8 CM

Answer 1

sen60° = y/8
√3/2= y/8
y= 4√3

sen 45°= y/AC
√2/2=4√3/ AC
AC = 8√3/√2
AC = 8√3 . √2/√2
AC = 8√6/2= 4√6