Question

determina el valor de los ángulos solicitados ​

Answer 1

1-

A- 30°

C- 30°

D- 180-30=150°

2-

A- 110°

B- 110°

C- 180-110=70°

3-

A- 2x

B- 4x-20° = x-5°

C- 180°-2x = 90-x

4-

A- 120° 40'

B- 180°-120° 40' = (180-1)° 60'-120° 40' = 59° 20'

C- 59° 20'