ASSERTION: If angles a and b form a linear pair of angles and a=40° then b= 150° REASON: Sum of linear pair of angles is always 180° Both ASSERTION and REASON are true and REASON is the correct explanation of ASSERTION. Both ASSERTION and REASON are true but REASON is not the correct explanation of ASSERTION. ASSERTION is true but REASON is false. ASSERTION is false but REASON is true.
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Given : Assertion: If angles 'a' and 'b' form a linear pair of angles and a = 40°, then b = 150°.
Reason: Sum of linear pair of angles is always 180°
To Find : true / False
Solution:
Assertion: If angles 'a' and 'b' form a linear pair of angles and a = 40°, then b = 150°.
if two angles forms a linear pair the sum is always 180°
a + b = 180°
=> 40° + 150° = 180°
=> 190° = 180°
which is False
Hence Assertion is False
Sum of linear pair of angles is always 180° is TRUE
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