Hello,
3x²-26x+16=3x²-24x-2x+16=3x(x-8)-2(x-8)=(x-8)(3x-2)
Perimeter= 2*(x-8+3x-2)=2*(4x-10)=8x-20
Circumference of entire circle = 2 * PI * 10
circumference of entire circle =
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<span>
62.832 feet
81 degrees is (9/40) of a circle
62.832 * </span></span></span><span>(9/40) = </span>
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14.1372
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</span>
</span>
Source:
http://www.1728.org/radians.htm
Answer:
B
Step-by-step explanation:
took the test got it right