**Circumference of a sphere**

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## Geometry - find the volume of a sphere given the circumference

In this video we will learn how to determine the surface area and volume of three dimensional figures such as a cube, cone,.

## Day 06 test d 11 - sphere: circumference and surface area

0214h day 06 - test d 11 sphere: circumference and surface area how do you find the surface area of a sphere given the circumference?

### Working backwards from the circumference of a great circle to find radius/surface area of a sphere

### Day 06 cw - sphere surface area, volume and circumference no sound

0214h day 06 cw - sphere surface area, volume and circumference no sound:-( 1) how dow we find the circumference given the volume of a sphere?

## Flat earthers hate the proof given by eratosthenes of a spherical earth

Eratosthenes was a greek scientist who discovered the circumference of the earth back in 240 b. c. Two tv shows covered his finding. Carl sagan (cosmos).

**152 136 surface area of sphere given circumference**

Description.

**Is earth actually flat?**

Follow lots of cool links below! Flat earth gravity simulation by yeti dynamics: .

**Sagan on eratosthenes calculation of earths circumference**

From carl sagans famous 1980s cosmos series.

Ms 8 math area and perimeter/circumference review

This video goes along with common core math 8, unit 8: volume of cylinders, cones & spheres.