Question

1-Encontre o valor de "a" no triângulo​

Answer 1

lei dos senos ↓

a/sen45 = 8/sen60

a.sen60 = 8.sen45

a.√3/2 = 8.√2/2. => matando 2

a√3 = 8√2 ==> *(√3)

3a = 8√6

a = 8√6 /3