Matematika Tolong bantu jawab ya kak​

emmettheaneyulv – June 07, 2023

Tolong bantu jawab ya kak​

Jawaban:

D. 20

Penjelasan dengan langkah-langkah:

2x° + 140° = 180°

2x° = 180° - 140°

2x° = 40°

x = 40/2

x = 20° (Opsi D)