The highlighted sector is exactly 3/4 of the circle area, because 
is 3/4 of 
which is a complete rotation.
Since you are given the radius, you can compute the area as
So, 3/4 of this area would be 
squared cm.
The remaining sector, of course, is 
squared cm.
Answer:
He will spend less than or equal to $9
Step-by-step explanation:
21 + c </= 30
c</= 9
Answer:
yes
Step-by-step explanation:
N would equal = 20,000,000,000,000,000 or 2.0×10^16
