Answer:
Step-by-step explanation:
not really the answer but there’s an app called photo math. perfect for math equations it didn’t let me put it, but download it it’s free and it’s tell you what to do. only works for math.
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: 30
Step-by-step explanation:
Answer:
-15804
Step-by-step explanation: