Question

Me ajudem

a) 10
b) 10 + 5√3
c) 5
d) 5 + 5√3
e) 10√3

Answer 1

cosB = c /a
1/2 = c/10
c = 5

senB = b/a
√3/2 =b/10
b = 5√3

c+b = 5 +5√3 ✓