Annulus
Annulus
Washer
The region between two concentric circles which have different radii.
Area of annulus \( = \pi \left( {{R^2} - {r^2}} \right)\)
Reference LibraryMathwordsReference LibraryMathwordsAnnulus
Washer
The region between two concentric circles which have different radii.
Area of annulus \( = \pi \left( {{R^2} - {r^2}} \right)\)