16π in²
Step-by-step explanation:
Step 1:
We know that area of circle is given by
      A=π * R²  units
Where A= Area
      R= Radius = (Diameter/2)
Step 2:
Here r= 4 inches
Area = Â
     = in²
correct answer:
b.(19,-2)
whose power in the senate is equal to the power of the speaker of the house?
step-by-step explanation: