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  1. Circumference of Circle with Uncertainty • Physics Forums

    Feb 23, 2019 · Homework Statement Calculate the circumference (including uncertainty) of a circle whose measured radius is r=7.3 ± 0.2cm. 2.Relevant equations & 3.The...

  2. How to Calculate the Circumference of a Specific Point on a Ball

    Aug 23, 2009 · To calculate the circumference of a specific point on Earth, one must consider the latitude, which affects the radius of the circle at that latitude. The correct formula for the …

  3. Uncertainty in area of a circle - Physics Forums

    Oct 1, 2010 · Homework Statement The radius of a circle is measured to be 14.3+-0.3cm. Find the circle's area and the uncertainty in the area. I don't understand how...

  4. Equation for circle points in 3D • Physics Forums

    Nov 26, 2021 · Hello, I am trying to solve a problem and I would like to ask for help. I have 3 points (A, B, C) in 3D space that are assumed to be on a circle. EXAMPLE 1 EXAMPLE 2 My goal is to create …

  5. Circumference of a circle in Poincare Half Plane - Physics Forums

    Feb 23, 2012 · i am trying to figure out how to calculate the circumference of a circle in the Poincare Half Plane. I know that vertical lines are geodesics so using the arclength formula, the distance between …

  6. Why is the area of a circular cap on a sphere not equal to πr^2?

    Feb 10, 2017 · The circumference of a spherical "circle" is smaller than the circumference of the corresponding planar circle of equal radius. The derivation of the formula for the area of a planar …

  7. Calculating angle of circle to produce given ellipse

    Aug 2, 2012 · I know I should keeps this short, but I need to explain it a little. So, please have patience with me :) Given a standard ellipse, and its eccentricity and position on screen, is there some clever …

  8. Perimeter/Area of Shaded Region within a Circle - Physics Forums

    Dec 8, 2016 · The discussion revolves around finding the area and perimeter of a shaded region within a circle, specifically involving a triangle inscribed in the circle. The initial approach of subtracting the …

  9. Circumference of a circle on a spherical surface

    Aug 3, 2019 · They draw a circle on the sphere around the z-axis; in spherical polar coordinates the locus of points with constant radius (distance from the origin) and polar angle. Then to calculate the …

  10. How to divide a circumference into equal parts, WITHOUT COMPASS?

    Apr 18, 2019 · Hi guys I have the length of a circumference, how do you divide it into equal parts given a certain amount of parts? For example, I want to divide a circumference into 78 equal parts, and the …