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Find the Sector Area when radius equals 10 and θ (central angle) equals pi/5

Pheonix  Apr 12, 2018
 #1
avatar+89775 
+2

Sector Area  =  (1/2)r^2 * theta (in rads)

 

So we have :

 

(1/2) (10^2) (pi/5)  =

 

(1/2) (100/5) pi =

 

(1/2) (20) pi  =

 

 

10 pi  units^2 

 

 

cool cool cool

CPhill  Apr 12, 2018
edited by CPhill  Apr 12, 2018
 #2
avatar+8 
+1

Thank you so much! 😊

Pheonix  Apr 12, 2018
 #3
avatar+89775 
+1

OK, Pheonix.....!!!

 

 

cool cool cool

CPhill  Apr 12, 2018

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