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Area and Circumference of a Circle - Instri
One of a tree's rings has a diameter of
20cm.
What is the circumference of the tree's ring? Use 3.14 for
pi.

C=

◻
cm

Home - Student Po $\newline$ Home - Student $P_{c}$ $\newline$ C Cever|Portal $\newline$ Auth.dadeschools.net $\newline$ i-Ready $\newline$ Area and Circumference of a Circle - Instri $\newline$ One of a tree's rings has a diameter of $20 \mathrm{~cm}$ . $\newline$ What is the circumference of the tree's ring? Use $3$ . $14$ for $\pi$ . $\newline$ $C=$ $\newline$ $\square$ $\mathrm{cm}$

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Circles: word problems

Full solution

Q. Home - Student Po

\newline

Home - Student

P_{c}

\newline

C Cever|Portal

\newline

Auth.dadeschools.net

\newline

i-Ready

\newline

Area and Circumference of a Circle - Instri

\newline

One of a tree's rings has a diameter of

20 \mathrm{~cm}

.

\newline

What is the circumference of the tree's ring? Use

3

.

14

for

\pi

.

\newline

C=

\newline

\square

\mathrm{cm}

Formula Explanation: To find the circumference, we use the formula $C = \pi \cdot d$ , where $C$ is the circumference and $d$ is the diameter.
Given Values: We know the diameter $d$ is $20$ cm and $\pi$ (pi) is approximately $3.14$ .
Calculation: Now, let's calculate: $C = 3.14 \times 20\,\text{cm}$ .
Final Result: $C = 62.8\,\text{cm}$ .

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