Answer:
Smaller angle = 12° and larger angle = 168°.
Explanation:
It is given that the two angles are supplementary. It means their sum of 180°.
Let x be smaller angle.
The larger angle is 48 degrees more than 10 times the smaller angle.
Larger angle =

Since both angles are supplementary angles, so
Smaller angle + Larger angle = 180°


Combined line terms.

Subtract 48 from both sides.


Divide both sides by 11.

The value of x is 12. It means the smaller angle is 12°.
Larger angle =

Therefore the larger angle is 168°.