Question 3624
The formula for area of a circle is {{{pi*r^2}}}.
The radius, 5, is half the diameter.
Use 3.14 for {{{pi}}} and 5 for {{{r}}}:
{{{3.14*5^2}}}
{{{3.14*25}}}
{{{78.5}}}
The answer is C. 78.5.<p><marquee behavior="alternate">Solved By: NtNk</marquee>