Answer:
C. 9
Step-by-step explanation:
The measure of a triangle is 180.
Make all the angles equal 180.
50+80+6x-4=180.
Solve.
6x=54
x=9
No he already did because his smsnebejsks in the graph is in orget
How did you get to put a picture
Answer:
Step-by-step explanation:
X×X/2+3X+C
Answer:
10%
Step-by-step explanation: