Ikki parallel to'g'ri chiziqni uchinchi to'g'ri chiziq kesishidan hosil bo'lgan ichki almashinuvchi burchaklar yig'indisi $84^{\circ}$ ga teng. Bu burchaklarni toping.
- A. $40^{\circ}; 40^{\circ}$
- B. $45^{\circ}; 45^{\circ}$
- C. $42^{\circ}; 38^{\circ}$
- D. $42^{\circ}; 42^{\circ}$