Answer:
-7.6+9=1.4
Step-by-step explanation:
increased by is addition
Sum of two angles that are supplementary = 180°
Let the smaller angle be = x


<h3>Their sum :</h3>






Using this let us find the measures of the smaller angle and bigger angle .


∴ The measure of the two angles are = 21° and 159° .
50% of 10 is just half so half of 10 is 5
The answer is five