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Home / Posts tagged “te_rose@yahoo.com wrote: Someone submitted the form from your ‘Ask Your Questions Here’ page A user has submitted the contact form on your store. Here are their details: Email Address: te_rose@yahoo.c”

Tag: te_rose@yahoo.com wrote: Someone submitted the form from your ‘Ask Your Questions Here’ page A user has submitted the contact form on your store. Here are their details: Email Address: te_rose@yahoo.c

Posted on September 3, 2013 by Dale Callahan

Geometry Ch 3.1 #36

Questions: Help with Geometry ch.3.1 #36. We don’t understand how to get the last step in the answer. How does the 4 get under the “pie” and not also under the d square? Thanks

 

 

Answer from Dr. Callahan: 

Take these steps

 
A = pi*r^2
 
and 
 
r= d/2
 
 
Now substitute r from the second equation into the first to get
 
 
A = pi (d/2)^2 — so you are squaring both the d and the 2. 
 
 
to get
 
A = pi * d^2 / 4
 
Category: Geometry
Tags: 2013, at 10:17 AM, Take these steps A = pi*r^2 and r= d/2 Now substitute r from the second equation into the first to get A = pi (d/2)^2 --- so you are squaring both the d and the 2. to get A = pi * d^2 / 4 Make sense? , te_rose@yahoo.com wrote: Someone submitted the form from your 'Ask Your Questions Here' page A user has submitted the contact form on your store. Here are their details: Email Address: te_rose@yahoo.c
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