So lets look at the information we have:-
angle 6 = 141°
angle 5 = ?
Angle 5 and angle 6 TOGETHER form a supplementary angle. A supplementary angle is equal to 180°. So, to find out angle 5 we will subtract 180° by angle 6 (141°). And then we will check our work. Lets do it:-
180° - 141° = 39°
Angle 5 = 39°
CHECK OUR WORK:-
39° + 141° = 180°
We were RIGHT!!!
So, angle 5 measures 39°.
Hope i helped ya!!
