Question

Q8. If a0 and (a + 740 ) are supplement of each other, find the value of both the angles.    [3]​

Answer 1

Answer:

If angles are supplement then their sum is 180∘

∴30−a+125+2a=180∘⇒155+a=180∘⇒a=180∘−155∘⇒a=25∘