It has an infinite rotation symmetry because no matter how you rotate the object, it look the same.
Answer:
a. 
b. 
Step-by-step explanation:
Volume of the container denotes its quantity. It is a three-dimensional space.
Let V denotes the volume of the container, h denotes the height of the container and r denotes the radius of the container.
a.
The total capacity of the container in terms of π is
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b.
As the cylindrical container is four-fifths full of powder, so the volume of the powder in terms of π is
volume of the container i.e., 
Answer:
b= -3 c= -4
Step-by-step explanation:
At this point it seems that you just want to identify the values of b and c.
You should expect 28 defected cars.