Circumference of a circle given radius
Area of a circle given radius
Volume of a sphere given radius
Surface area of a sphere given radius
Converting degrees to radians or vice versa
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Area of a circle: pi*radius2 Circumference of a circle: 2*pi*radius or diamerer*pi Surface area of a sphere: 4*pi*radius2 Volume of a sphere: 4/3*pi*radius3 Volume of a cylinder: pi*radius2*height
7*pi/5 = 1.4*pi pi < 1.4*pi < 1.5*pi and so the angle is in the third quadrant.
Tan(Pi/5) = √(5-2*√(5)) ~= 0.7265
gurman singh is the famous and great mathematician of geometry
A 5 sided polygon in geometry is a pentagon.