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In rectangle JUMP with diagonal JM, JU=8 and JM = 12. Find the length of UM. Give your answer in simplest radical form.

 Jan 23, 2019
 #1
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We  can use the Pythagorean Theorem here :

 

UM =  sqrt (JM^2 - JU^2 )   =   sqrt ( 12^2 - 8^2)  =  sqrt ( 144 - 64)  = sqrt ( 80)  =  4sqrt(5) units

 

 

 

cool cool cool

 Jan 23, 2019

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