Find the length of the arc intercepted by an angle of 36° in a circle with radius 12 inches
1 answer:
Set up a pair of proportional ratios...
a/(2πr)=α/360
a=(πrα)/180, we are given that r=12 and α=36° so
a=432π/180 in
a=12π/5 in
a=2.4π in
a≈7.54 in (to nearest one-hundredth of an inch)
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