“The centre of gravity of any parallelogram lies on the straight line joining the middle points of opposite sides.”
Book 1, Proposition 9.
On the Equilibrium of Planes
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Archimedes20
Greek mathematician, physicist, engineer, inventor, and ast… -287–-212 BCRelated quotes
“The centre of gravity of a parallelogram is the point of intersection of its diagonals.”
Archimedes book On the Equilibrium of Planes
Book 1, Proposition 10.
On the Equilibrium of Planes
Aristarchus of Samos ancient Greek astronomer and mathematician
p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)
“The centre of gravity of any cylinder is the point of bisection of the axis.”
Archimedes book The Method of Mechanical Theorems
Proposition presumed from previous work.
The Method of Mechanical Theorems
Archimedes book The Method of Mechanical Theorems
of the portion adjacent to the base
Proposition presumed from previous work.
The Method of Mechanical Theorems
“A circle is a round straight line with a hole in the middle.”
Mark Twain (1835–1910) American author and humorist
Quoting a schoolchild in "English as She Is Taught"
