Recognised as 2D shape
Circle with radius 40
- Circle
- r = 40
- area 5,026.5482
A circle of radius 40 has an area of 5,026.548246 square units and a circumference of 251.327412 units. Its diameter is 80, and its area expressed exactly is 1,600π.
Measurements
Radius40
Diameter80
Circumference251.327412292πr
Area5,026.54824574πr²
Area in terms of π1,600π
Sector area per degree13.96263402
Arc length per degree0.6981317
Inscribed square side56.56854249the largest square that fits inside
Circumscribed square side80
Formulas used
AreaA = πr²
CircumferenceC = 2πr
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