3. The Greek mathematician Eratostenes (ca. 276-195 B.C.) measured the circumference ofthe earth from the following observations. He noticed that on a certain day the sun shonedirectly down a deep well in Syene (modern Aswan). At the same time in Alexandria, 500miles north (on the same meridian), the rays of the sun shone at the angle of 7.2◦to thezenith. Use this information to find the radius and the circumference of the earth
3. The Greek mathematician Eratostenes (ca. 276-195 B.C.) measured the circumference ofthe earth from the following observations. He noticed that on a certain day the sun shonedirectly down a deep well in Syene (modern Aswan). At the same time in Alexandria, 500miles north (on the same meridian), the rays of the sun shone at the angle of 7.2◦to thezenith. Use this information to find the radius and the circumference of the earth
3. The Greek mathematician Eratostenes (ca. 276-195 B.C.) measured the circumference ofthe earth from the following observations. He noticed that on a certain day the sun shonedirectly down a deep well in Syene (modern Aswan). At the same time in Alexandria, 500miles north (on the same meridian), the rays of the sun shone at the angle of 7.2◦to thezenith. Use this information to find the radius and the circumference of the earth
3. The Greek mathematician Eratostenes (ca. 276-195 B.C.) measured the circumference ofthe earth from the following observations. He noticed that on a certain day the sun shonedirectly down a deep well in Syene (modern Aswan). At the same time in Alexandria, 500miles north (on the same meridian), the rays of the sun shone at the angle of 7.2◦to thezenith. Use this information to find the radius and the circumference of the earth
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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