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Determine the value of ? in the figure below.

 Apr 4, 2020
 #1
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+2

Note  that  the  altitude of the  right  triangle on the left =  sqrt (5^2  -1^2)=  sqrt (25 -1)  = sqrt (24)

 

And  ?   is the hypotenuse of the right  triangle o the right  with  legs of sqrt (24)  and 5

 

So

 

? =   sqrt [ 5^2  + (sqrt (24))^2 ]   =  sqrt  [ 25  + 24 ] = sqrt [49]   = 7

 

 

cool cool cool

 Apr 4, 2020

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