A
R
C
H
I
M
E
D
E
S
The Method   Proposition 2
    Let the surface of this cone be produced
and then cut by a plane through C parallel to its base;
    the section will be a circle on EF as diameter.
On this circle as base
    let a cylinder be erected with height and axis AC.
and
    produce CA to H,
making
    AH equal to CA.
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