148k views
1 vote
hat is the exact circumference of the circle? 10π ft 20π ft 40π ft 60π ft Circle with center A and diameter of 20 feet labeled.

User AntiqTech
by
5.7k points

2 Answers

2 votes

Answer:

20pi.ft.

Explanation:

Hope this helps

User Gnicholas
by
6.3k points
3 votes

Hello!

What is the exact circumference of the circle? 10π ft 20π ft 40π ft 60π ft Circle with center A and diameter of 20 feet labeled.

Solving: Using the data

diameter = 2*radius


20 = 2*r


2\:r = 20


r = (20)/(2)


\boxed{r = 10\:ft}

Formula: (Circle length)


\boxed{C = 2* \pi *r}

Now, replace in the circumference length formula:


C = 2\:\pi *r


C = 2\:\pi *10


\boxed{\boxed{C = 20\:\pi\:ft}}\end{array}}\qquad\quad\checkmark

Answer:


\underline{The\:exact\:circumference\:of\:the\:circle\:is\:\:20\:\pi\:ft}

______________________________

I Hope this helps, greetings ... Dexteright02! =)

User Gregor Slavec
by
5.8k points