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

Question 102

Question. 102

102. In Fig. 5.55, l ∥ m and a line t intersects these lines at P and Q, respectively. Find the sum 2a + b.

Answer:

396°

Detailed Answer with Explanation:

Using transversal and parallel line properties, values of a and b are calculated. Then 2a + b = 396°.