A right triangle has a hypotenuse #c=12.6# and a leg #b=8.5#. What is the approximate length of leg #a#?

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Answer 1 · 2017-04-05T20:02:01

#a=9.30# units

#c^2=b^2+a^2#

Rearrange,

#a=sqrt(c^2-b^2)#

Sub in and solve,

#a=sqrt((12.6)^2-(8.5)^2)#

#a=9.30# units