WebSep 6, 2024 · The formula to find the circumference of a sphere is: Circumference (C) = 2πr, here π = 22/7 = 3.141, r = radius Let us solve some examples using the above … WebNov 7, 2024 · Find the radius if you know the circumference. Use the formula C/2π. Since the circumference is equal to πD, which is equal to 2πr, dividing the circumference by …
What is the formula of circumference of a sphere?
WebDec 15, 2024 · To calculate the circumference of a circle, use the formula C= pi*D where C is the circumference, D is the diameter and pi is 3.14. If you have the radius instead of the diameter, multiply it by two to get the … WebArea of sector = θ 360 ∘ × π r 2. If is measured in radians, then “the area of a sector of a circle formula” is given by. Area of sector = 1 2 × θ × r 2. Perimeter of sector = 2 r + θ 360 × 2 π r. rccd school
Sector of a Circle: Definition, Formula, Area, Perimeter
WebJan 11, 2024 · A sphere is a perfectly round geometrical 3D object. The formula for its volume equals: volume = (4/3) × π × r³. Usually, you don't know the radius - but you can measure the circumference of the sphere … WebSphere Formulas in terms of radius r: Volume of a sphere: V = (4/3)πr3 Circumference of a sphere: C = 2πr Surface area of a sphere: A = 4πr2 WebJul 5, 2024 · For a circle, the derivative of the formula for area is the formula for circumference: d/dr ( [pi*r^2)=2*pi*r. Similarly, the derivative of the formula for the volume of a sphere is equal to the formula for surface area: d/dr (4/3*pi*r^3)=4*pi*r^2. I'm positive that these are consequences of Stokes's (Green's) and Divergence theorems, but I don ... rcce hoa