Question

Calcule o valor de x: 


48° 20'

49° 40'

51°30'

55°10

​

Answer 1

Explicação passo-a-passo:

x + 40° 20' = 90°

x = 90° - 40° 20'

x = 89° 60' - 40° 20'

x = 49° 40'

Answer 2

x + 40° 20' = 90°

x= 90° 40° 20'

x= 89° 60' - 40° 20'

x = 49° 40'