Answer:
The area of the sector is 
Step-by-step explanation:
step 1
Find the area of complete circle

we have

substitute


step 2
Find the area of the sector
we know that
The area of complete circle subtends a central angle of 2π radians
so
using proportion
Find out the area of a sector by a central angle of 1/9 pi radians

Answer: yes because angles 3 and 7 are congruent
12+5c=c+4
4c=-8
C=-2
Please brainiest and like
The standard form is y=mx+b.
With y-3x=1, you're trying to get y by itself.
Start with adding 3x to both sides to get y=3x+1