Jelaskan beserta soalnya ya kak​

Jawaban:

a. sudut B = 180° – sudut A

= 180° – 50°

= 130°

b. sudut B = 180° – sudut A

= 180° – 75°

= 105°

c. sudut B = 180° – sudut A

= 180° – 15°

= 165°

d. sudut B = 180° – sudut A

= 180° – 152°

= 28°