Harriot, Thomas - Mss. 6787

Harriot, Thomas, Mss. 6787

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628315

3) of the triangles of the parabola: more generally: that is
whatsoever there altitudes

Let the altitude of the
first triangle be:

a

.
his halfe base:

b

.
The altitude of an
other triangle

o

alt:
square of halfe bases.
halfe bases.

The rate of the

In such rate are there correspondent

Let

a

. be 1.

o

. 4.

b

. 2.
Then wilbe:

c

. 4.