The angle which makes a linear pair with the angle measuring 58∘ is :
Let other angle be x∘.
Then,
180∘=58∘+x∘ ∵ sum of the angles making a linear pair = 180∘.
⇒x∘=180∘−58∘
⇒x∘=122∘.
Hence, the angle which makes a linear pair with an angle measuring 58∘ is 122∘.