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| PAGE: 635 | SET: Exercises | PROBLEM: 51 |
Observe the figure:
The side and hypotenuse of the triangle are 
and 
.
Find 
.
(Pythagorean theorem)
(Substitute 
and 
)
(Evaluate powers 
and 
)
(Subtract 
from each side)
(Apply additive inverse property: 
)
(Subtraction: 
)
(Take the square root of each side)
(Cancel square root)
Therefore, the missing length is 
.
Option C is the right choice.
Option C is the right choice.
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Simply chose a support option
  
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