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In the figure above, the circumference of the circle is equal to , and [#permalink]
Expert Reply
See explanation above. Let me know if it is still unclear

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In the figure above, the circumference of the circle is equal to , and [#permalink]
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Hi Carcass, I read the OE but got confused how do you get "From the information in the problem you know that circumference = 8π, so r = 4."
The question said "In the figure above, the circumference of the circle is equal to 1/4 , and the arc PQR is equal to 1/4 of the total circumference. What is the area of the shaded region?"
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Re: In the figure above, the circumference of the circle is equal to , and [#permalink]
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Let me check maybe a typo. Just to be extra sure the stem is correct asap I back on my work station

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Re: In the figure above, the circumference of the circle is equal to , and [#permalink]
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The stem is correct sir

\(C=2 \pi r\)

\(C = \frac{1}{4}\)

\(\frac{1}{4}= 2 \pi r\)

\(C= 2*4 \pi r\)

\(C= 8 \pi r\)

\(r= 4 \pi\)
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Re: In the figure above, the circumference of the circle is equal to , and [#permalink]
Thank you for the explanation
Carcass wrote:
The stem is correct sir

\(C=2 \pi r\)

\(C = \frac{1}{4}\)

\(\frac{1}{4}= 2 \pi r\)

\(C= 2*4 \pi r\)

\(C= 8 \pi r\)

\(r= 4 \pi\)
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