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Triangle ABC has circumcenter O. If AB=10 and [ABC]=30, find the circumradius of triangle ABC

 Nov 15, 2019
 #1
avatar+2499 
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Just to be sure, does [ABC] mean area?

 Nov 15, 2019
 #2
avatar+2499 
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Dunno, is this helpful to you?

 

Credit to CPhill

CalculatorUser  Nov 15, 2019
 #3
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The circumradius is 30*3/2 = 45.

 Nov 15, 2019

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