Answer:
125.6cm
Step-by-step explanation:
circumference of a circle is 2pir
pi=3.14
r=d/2=40cm/2=20cm
So, 2pir=2X20cmX3.14=40cmX3.14=31.4cmX4=125.6cm
PLEASE MAAKE THIS THE BRAINLIEST ANSWER
The answer is B.27. Hope this helps!
Answer:
Sally
Step-by-step explanation:
Because you may work 8-10 hours and make $16-20 instead of 10 for the day
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
