Eratosthenis
4
Eratosthenes of Cyrene Birth 276 BC- death 195 BC Famous Mathematician, Astronomist and Historian Dear friend of Archimides He designed the first universal map F(l)ighters
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Transcript of Eratosthenis
Eratosthenes of Cyrene Birth 276 BC-death
195 BC Famous
Mathematician, Astronomist and Historian
Dear friend of Archimides
He designed the first universal map
F(l)ighters
The first universal mathematical map
F(l)ighters
Mathematical Problem
There is a cube with acne 2 cm. How many metres is the acne of a cube twice as the volume of the first one?
1. 16
2. 4
3. -3 16
F(l)ighters
SolutionWe set x as the desired acne.
V'=2V (1)
V=2³=8 (2)
V'=x³
According to (1),(2):
2·8=x³
x³=16
3 16x F(l)ighters