Ikki parallel to'g'ri chiziqni uchinchi to'g'ri chiziq kesishidan hosil bo'lgan ichki bir tomonli burchaklar ayirmasi $100^{\circ}$ ga teng. Bu burchaklardan kattasini toping.
- A. $160^{\circ}$
- B. $140^{\circ}$
- C. $120^{\circ}$
- D. $100^{\circ}$