Chapter 9.2, Problem 1PSA

To determine

To find:The circumference and the area of the circle

Answer to Problem 1PSA

The circumference of the circle is $C=61.6$ and the area of the circle is $A=301.84$

Explanation of Solution

Given information:The radius of the circle is given to be

  $r=9.8$

Formula used:The circumference of a circle can be given by

  $C=2\pi r$

Calculation:We know that the circumference of a circle is

  $C=2\pi r$

Now, substituting the value of $r=9.8$ , we get

  $C=61.6$

And, the area of the circle can be given by

  $A=\pi r^2$

Now, substituting the value of the radius, we get

  $A=301.84$