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In triangle JKL, we have JK = JL = 25 and KL = 30. Find the circumradius. pls help ! ツツツツツ

 May 21, 2021
 #1
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-2

From the circumradius formula, R = 37/2.

 May 21, 2021
 #2
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ok thx! ...sometimes maybe i will let someone else answer and see if ur answer and theirs are the same!

Guest May 21, 2021
 #4
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Don't trust guests.cheeky

 

Btw, Guest below is correct because his name is civonamzuk, but he's lazy to log in!!!

Guest May 21, 2021
 #6
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Yea, IKR, a lot of times, guests answer my questioon wrong. sad

WillBillDillPickle  May 22, 2021
 #3
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In triangle JKL, we have JK = JL = 25 and KL = 30. Find the circumradius.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Semiperimeter   s = 40 

 

Triangle area     A = 300          

 

Inradius    r = A / s     r = 7.5

 

Circumradius   R = (abc) / 4rs     R = 15 5/8

 May 21, 2021
 #5
avatar+32557 
+4

Here is visual confirmation that R = 155/is correct.

 

 May 21, 2021

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