21.8k views
1 vote
Eugene knows the circumference of a circle is 125.6 meters. Does he have enough information to find the area?

User Kajaco
by
8.0k points

2 Answers

5 votes

\bf \textit{circumference of a circle}\\\\ C=2\pi r\quad \begin{cases} r=radius\\ -----\\ C=125.6 \end{cases}\implies 125.6=2\pi r\implies \cfrac{125.6}{2\pi }=\boxed{r} \\\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad \implies A=\pi \left( \boxed{\cfrac{125.6}{2\pi} } \right)^2
User Pvans
by
8.5k points
1 vote

Answer:

the answer is a

Explanation:

i did the test

User Cmjohns
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories