Title: Measuring the Earth
Description: "A biography of ancient Greek mathematician Eratosthenes, who used geometry to calculate the circumference of the earth. He is also known as the Father of Geography"--Provided by publisher.
Subjects: Figure, Greek Mathematics, Astronomers, Mathematicians, Measurement, Juvenile literature, Ancient Mathematics, Biography, Arc measures, Mathematics, juvenile literature, Greece, biography, Greece, juvenile literature
Places: Earth, Greece
People: Eratosthenes