NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and SolutionsQuestion 100
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and Solutions
Question. 100
100. In Fig. 5.53, find the value of ∠BOC, if points A, O and B are collinear.
Answer:
40°
Detailed Answer with Explanation:
Using given expressions, ∠AOD + ∠BOC = 180°. Solving equations gives ∠BOC = 40°.