Answer:
Step-by-step explanation:
Plug in numbers to make the equations work!
I am not sure but I think is the last one!!!!
Answer:
the first and second option
Step-by-step explanation:
Answer:
.<em><u>O</u></em><em><u>P</u></em><em><u>T</u></em><em><u>I</u></em><em><u>O</u></em><em><u>N</u></em><em><u> </u></em><em><u>A</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em><em><u>°</u></em>
SINCE THE BOTH SIDE OF LINE IS PERPENDICULAR
THEREFORE,90°
THEREFORE,
4X-10+X=90.
5X-10=90
5X=100
X=20°
