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Cones



Top: cone with vertex O and directrix C.
Bottom Left: right circular cone.
Bottom Right: frustrum of right circular cone.

r = radius of base
h = altitude
l = length between vertex and a point on base circle

Right cicrular cone:

Equation: index1.jpg

index2.jpg

Frustrum of right circular cone:

Equation: index3.jpg

index4.jpg


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