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Recognised as 2D shape

Circle with radius 4,000

  • Circle
  • r = 4,000
  • area 50,265,482.4574

A circle of radius 4,000 has an area of 50,265,482.457437 square units and a circumference of 25,132.741229 units. Its diameter is 8,000, and its area expressed exactly is 16,000,000π.

Measurements

r
Radius4,000
Diameter8,000
Circumference25,132.741228722πr
Area50,265,482.4574367πr²
Area in terms of π16,000,000π
Sector area per degree139,626.34015955
Arc length per degree69.81317008
Inscribed square side5,656.85424949the largest square that fits inside
Circumscribed square side8,000

Formulas used

AreaA = πr²
CircumferenceC = 2πr

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Every value on this page was computed from “circle radius 4000” by Nerdulator’s geometry engine. Nothing here was retrieved from a database of answers or written by a model.