Mathematics: Consider a circle (radius r) to be made up of many concentric rings of radius r and thickness dr. find the area, da, of one of these rings and integrate from 0 to r to get the area of the circle. remember, the area of a very thin ring is just the circumference times the thickness. for something a bit more challenging, try to set it up as a sum of thin parallel bars rather than a sum of rings.

Consider a circle (radius r) to be made up of many

bonnysvalentine

15.01.2022

A = πR^2

Step-by-step explanation:

Please refer to the attachment for explanation.
Consider a circle (radius r) to be made up of many concentric rings of radius r and thickness dr. fi

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shealene7

30.01.2021

Step-by-step explanation:

You are splitting the equation up. (I don't really know how to explain it sorry)

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