Hi

one is 90 degrees more than twice the (other?, believe was meant) 

Let x and (2x+90°) represent

Question states***

 x+(2x+90°)=180°   |Yes

Solving for x

    x = 30°        |Yes

 the complementary Angels are 30° and 150°  (2*30°+90°)



CHECKING our Answer***

   30° + 150° = 180° 

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