Answers About Geometry: Difference between revisions
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<br> | <br>The perimeter is both on the outside and the inside of a shape, [https://win24.uk/ pg slot] as it is basically the outside wall/border of a shape and can therefore be viewed from the outsi<br>Read more<br><br><br><br><br><br><br><br><br><br>Math and Arithmetic<br><br><br><br>+2<br><br><br><br><br><br><br><br><br><br>What is the [https://www.bing.com/search?q=circumference&form=MSNNWS&mkt=en-us&pq=circumference circumference] of a circle if its area is 81π?<br><br><br>Asked by Anonymous<br><br><br><br>C = 81 pi = 2pi r<br><br>Hence<br><br>2 pi r = 81pi<br><br>r = 81 pi / 2 pi<br><br>Cancel down<br><br>r = 40.5<br><br>A = pi r^(2)<br><br>A = pi ( 40.5)^(2)<br><br>A = 1640.25 pi units^(2)<br><br> | ||
Revision as of 18:37, 29 September 2026
The perimeter is both on the outside and the inside of a shape, pg slot as it is basically the outside wall/border of a shape and can therefore be viewed from the outsi
Read more
Math and Arithmetic
+2
What is the circumference of a circle if its area is 81π?
Asked by Anonymous
C = 81 pi = 2pi r
Hence
2 pi r = 81pi
r = 81 pi / 2 pi
Cancel down
r = 40.5
A = pi r^(2)
A = pi ( 40.5)^(2)
A = 1640.25 pi units^(2)