NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and SolutionsQuestion 86
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and Solutions
Question. 86
86. Two lines AB and CD intersect at O (Fig. 5.44). Write all the pairs of adjacent angles by taking angles 1, 2, 3 and 4 only.
Answer:
∠1, ∠2; ∠2, ∠3; ∠3, ∠4; ∠4, ∠1
Detailed Answer with Explanation:
Adjacent angles share a common vertex and common arm. From the figure, listed pairs satisfy this property.