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OpenStudy (anonymous):
A circle has a radius of 12 centimeters. If 6/7 of the circle is cut away, what is the area of the remaining portion?
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Parth (parthkohli):
It is obvious that 1/7 of the area is remaining. First calculate the area then multiply that by 1/7.
OpenStudy (anonymous):
51.43 am i going right?
OpenStudy (anonymous):
A = pi*r^2 = 452.4 (1dp ) 1/7 of the area remaining so (1/7) * 452.4 = 64.6 (1dp) cm^2
OpenStudy (anonymous):
oh
Parth (parthkohli):
\( \color{Black}{\Rightarrow\Large {3.14 \times 144 \over 7} }\)
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OpenStudy (anonymous):
yeah thanks
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