Question

please solve this answer by step by step explaination​

Answer 1

Answer:

Step-by-step explanation:

135°+45° = 180° so they form a linear pair

90°+90° = 180° so they form a linear pair

140°+55° =195° so they don't form a linear pair

Answer 2

Answer:

i and ii are linear pair  because the sum of thier angles are 180.

iii is not linear pair because the sum of its pair is not 180.

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