The circle below has center O , and its radius is 8ft . Given that =m∠AOB150

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 31st, 2015

Length of arc

2100/3600 * 2 pi * r= 7/12*2 *8  pi = 28/3 pi= 9.333 pi ft

Area of sector 

2100/3600 *  pi * r2= 7/12* 82  pi = 7/3*16 =112/3 pi =37.333 pi  ft2 



Mar 31st, 2015

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Mar 31st, 2015
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