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What is the estimated circumference of a circle if the diameter is 15ft?
A circumference of 47.12 feet.
What is the estimated circumference of a circle with a radius of 4 miles?
A circle with a radius of 4 miles has a circumference of 25.13 miles.
What Hellenistic scientist was able to calculate the circumference of the earth within 200 miles?
Eratosthenes is said to have calculated the Earth's circumference to such a high accuracy. The major problem with these claims is that he estimated the circumference in terms of stadia. There were several different versions of the stadion and nobody knows the modern equivalent of the stadion used for his result! If the stadion is taken to be a Hellenic standard, of 185 metres, then the claim is true.
What is the circumference of the earth in inches?
== == Given that the circumference of the earth is 40,075.02 km (measured at the equator) the circumference in inches is roughly 1,577,756,664 inches.
What is the distance of the circumference of the Earth?
Best guess for Earth Circumference is 24,900 miles (40,080 km)
Greek scholar that estimated the earth's circumference?
Eratosthenes
In ancient Greece who estimated the earths circumference?
Eratosthenes is credited with calclating the circumference of the Earth at the equivalent of 25,000 miles/40,000km in about 205 BCE.
What is the estimated circumference of a circle if the diameter is 15ft?
A circumference of 47.12 feet.
When was earth diameter first estimated?
The first estimation of Earth's diameter dates back to the ancient Greeks around 3rd century BC. Eratosthenes was able to calculate the Earth's circumference using the angles of shadow observed in wells in different locations.
What is Eratosthenes?
He was an ancient Greek mathematician of the 2nd/3rd century BC, as well as a poet, geographer, musical composer, scholar, and astronomer. He was the first Greek to estimate the circumference and tilt of the earth. He created a map of the earth based on the knowledge available at the time. He was highly respected, and his calculations of the earth's circumference were used for hundreds of years. Today, his method for finding prime numbers from 1-100 is known as the 'Sieve of Eratosthenes' and is taught in math textbooks.
What size of Earth?
The size of the Earth is measure in parameters generally, and it is estimated and believed to be measured at around over 40,000km in circumference, and over 500 million km squared in terms of surface area.
Who was the first person to mesure the earth's circumference?
The first person credited with measuring the Earth's circumference was the ancient Greek mathematician and astronomer Eratosthenes. He used the angle of the shadow cast by a vertical stick in Syene and Alexandria to estimate the Earth's size with impressive accuracy for his time.
What science skills did Eratosthenes use when he estimated Earth's circumference?
Eratosthenes used his knowledge of geometry, trigonometry, and astronomy to estimate Earth's circumference. By measuring the angle of the shadow cast by a vertical stick in two different locations and calculating the distance between them, he was able to make a remarkably accurate calculation.
How many times larger is the earth's circumference's than Luna?
The Earth's circumference is about 10 times larger than the Moon's circumference.
What is the equatorial circumference in miles?
The equatorial circumference of the Earth is approximately 24,901 miles.
What is the estimated circumference of a circle with a radius of 4 miles?
A circle with a radius of 4 miles has a circumference of 25.13 miles.
Who invented area and circumference of a circle?
Actually, Eratosthenes of Cyrene (276? - 195? B.C.) was the first to calculate the Earth's circumference accurately. He is supposed to be the inventor.
