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  1. ...no harm in reducing it to a decimal if you want: 023) AND TO FIND THE LENGTH OF THE ARC : simply multiply the fraction (or the decimal 0.23) by the circumference (125.68...

    4 Answers · Education & Reference · 17/10/2008

  2. ...measurement of the arc is 125° it is 125/360 of the circle. So the arc length of this arc is 125/360*2π*r. All you need to put in is a value for the radius, r and you'll be all set.

    3 Answers · Science & Mathematics · 27/07/2011

  3. .... Arc length = (angle/360)*circumference... would help for you to draw a picture of a circle...then shade in a part of the circumference (an arc ). Find the center of the circle...center. Notice how you get an angle? The ...

    3 Answers · Education & Reference · 18/09/2009

  4. ...dy from y=2 to 4 dx/dy can be found explicitly: x = 1/24 y^3 + 2/y dx...2) dy = 1/24 y^3 - 2/y from y=2 to 4 = (64/24 - 1/2) - (1/3 - 1) = (8/3 - 1/2) + 2/3 = 10/3 - 1/2 = 17/6 The answer is 17/6.

    1 Answers · Science & Mathematics · 26/09/2011

  5. ...1/9)x^(-4/3) = 1 + 1/[9x^(4/3)] = [9x^(4/3) + 1]/[9x^(4/3)]. Hence, the arc length is given by: ∫ √[1 + (dy/dx)^2] dx (from x=-8 to 8) => ∫ √[9x^(4/3) + 1]/3x^(2/3) dx (from x=-8 to 8). This integral...

    3 Answers · Science & Mathematics · 21/06/2010

  6. Find the circumference of Earth. Find the angle between the two lines at the center of the Earth. This angle is a certain percentage of 360° and also that same percentage of the circumference of Earth.

    2 Answers · Science & Mathematics · 27/05/2011

  7. Arc length , a = rθ, where: • r = the radius of the arc • θ = the central angle subtending the arc ( the angle with...

    1 Answers · Science & Mathematics · 11/10/2011

  8. ...0, 1, 0) and t = 2π <==> (-2π, 1, 4π²). So, the arc length equals ∫ √[(dx/dt)² + (dy/dt)² + (dz/dt)²] dt = ∫(t = 0 to 2π) √[(t sin t)² + (t cos t)² + (2t)²] dt = ∫(t = 0 to ...

    1 Answers · Science & Mathematics · 11/09/2011

  9. ...since it's asking for the difference. 3. Split the triangle in half to find the angle of the bottom point. Sinθ = 450m / 6370000m θ = arcsin( 450 / 6370000) then multiply θ by 2 arc length = θ / 360 × 2πr r = 6370000 for the bottom of the tower r = 6370000 + 200 for the top...

    1 Answers · Education & Reference · 27/05/2011

  10. ...x) Arc length = ∫ sqrt ( 1+ (f'(x))^2 ) dx Arc length = ∫ x ln x dx Integrate by parts...(x) = (1/2) x^2 ln x - (1/4) x^2 substitute the upper limit e F(e) = (1/2) e^2 ln e - (1/4...

    2 Answers · Science & Mathematics · 02/02/2016

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