NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and Solutions
Question 72

Question. 72

72. Write down each pair of adjacent angles shown in the following figures:

Answer:

(i) ∠AOB, ∠BOC; ∠BOC, ∠COD; ∠AOB, ∠BOD; ∠AOC, ∠COD

(ii) ∠PQR, ∠PQT; ∠SPR, ∠RPQ; ∠PRQ, ∠QRU

(iii) ∠TSV, ∠VSU; ∠SVU, ∠SVT

(iv) ∠AOC, ∠AOD; ∠AOD, ∠BOD; ∠BOD, ∠BOC; ∠BOC, ∠AOC

Detailed Answer with Explanation:

Adjacent angles share a common vertex and a common arm. By observation, the above pairs are listed from the given figures.

NCERT Exemplar Solutions Class 7 – Mathematics – Unit 5: Lines And Angles – Problems and Solutions | Detailed Answers