Mathematics
Triangle area by Heron's formula
Calculates semi-perimeter and triangle area from three sides.
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Triangle area
Calculates triangle area from base and height.
Triangle area from base and height
Calculates triangle area from base and height.
Annulus area
Calculates annulus area from outer and inner diameters.
Circle area
Calculates circle area from diameter.
Circle sector area
Calculates circle sector area from radius and angle in radians.
Circle segment area
Calculates circular segment area from radius and central angle in radians.