MCQ
In a $\triangle A B C$, if $\angle A+\angle B=150^{\circ}$and $\angle B+\angle C=75^{\circ}$then $\angle B=$
- A$35^{\circ}$
- ✓$45^{\circ}$
- C$55^{\circ}$
- D$25^{\circ}$
✓
Answer
Correct option: B.
$45^{\circ}$
B
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