The equation of a circle with center
and radius
is

In your case,

Plug these values into the generic formula and you'll get your equation.
The answer is eighty one over four
No because Pi is an irrational number so adding 2 to Pi will also be irrational.
Answer:



Step-by-step explanation:
Given
<em>Decimal Grid = Hundredths</em>



To solve for each:
We have:
For Amber:


For Grace:




This means that Grace shaded 60 of the hundredth models.
Decimal shaded is:



For Marsha:




Multiply this by 100, to get the number of shaded


This means that Marsha shaded 170 of the hundredth models.
Decimal shaded is:

