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The formula c = √a^2 + b^2 represents the length of the hypotenuse of a right triangle with side lengths a and b. Solve the equation for a. Show your work. That means get “a” all by itself on one side of the equation.

 Aug 27, 2019
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c  = √ [a^2 + b^2]     square both sides

 

c^2  =  a^2 + b^2     subtract b^2 from both sides

 

c^2 - b^2  =  a^2       take the positive root of both sides

 

√[c^2 - b^2 ] = √a^2

 

√[c^2 - b^2 ]  = a

 

 

cool cool cool

 Aug 27, 2019

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