Question

urgente nececito ayuda

Answer 1

sen50 = a/15
15 * sen50 = a
a = 11.5

cos50 = b/15
15 * cos50 = b
b = 9.6

B = 180 - 90 - 50
B = 40º

Answer 2

Ressen50 = a/15

15 * sen50 = a

a = 11.5

cos50 = b/15

15 * cos50 = b

b = 9.6

B = 180 - 90 - 50

B = 40ºpuesta:

Explicación paso a paso: