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Calculate JK if LJ=45, JM=60 and LM=75

 

 Feb 2, 2021
 #1
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LJ is cut in half by KM

1/2 LJ = JK

1/2 (45) = 22.5 units

 Feb 2, 2021
 #2
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We  have  the following relationship  set up by the bisected angle LMJ

 

JM  /LM   = JK/ KL

 

60  /75  = JK / KL

 

4/5  = JK / KL

 

JK   =  (4)  /(4 + 5) LJ  =    (4/9) (45)  =  20

 

 

cool cool cool

 Feb 2, 2021

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