University of Nottingham astronomers talk about telescope diameter, and how the size …
University of Nottingham astronomers talk about telescope diameter, and how the size and quality of a telescope's mirror determine what we see when looking through it. Offers a look at the opportunities offered by the "Extremely Large Telescope", which will be built with a lens over forty meters in diameter. [8:31]
Students extend their understanding of circles, volume, and surface area into modeling …
Students extend their understanding of circles, volume, and surface area into modeling situations, formula analysis, and deeper conceptual understandings.
It's easy to find the circumference of a circle if you know …
It's easy to find the circumference of a circle if you know the diameter. Just plug in its value into the formula for the circumference of a circle to get the answer. This tutorial shows you how. [3:28]
The circumference of a circle is the distance around that circle. Take …
The circumference of a circle is the distance around that circle. Take a look at this tutorial to discover the formulas for the circumference of a circle. [4:22]
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