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Mathematics 9 Online
OpenStudy (anonymous):

The information given represents the lengths of the sides of a right triangle with c the hypotenuse. Find the correct missing length to the nearest hundredth. a=?, b= 13, c= 21 A. 15.83 B. 15.87 C. 16.19 D. 16.49 Help? Please??

Directrix (directrix):

a=?, b= 13, c= 21 a^2 + 13^2 = 21^2

OpenStudy (anonymous):

a =16.49 using the formula worked out by Direct Text

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