-349.3 i think u didnt show the answers we choose from /my answer probably wrong i was assuming.
The answer is the last one
Answer:
14?
Step-by-step explanation:
Answer:
10°
Step-by-step explanation:
the sum of interior angles of triangle is 180°
so. 8x+x+90°=180°
9x=90°
x=10°
The Awnser would be 20.6 rounded up to 21. The final Awnser is 21
