A right triangle has sides A, B, and C. Side A is the hypotenuse and side B is also a side of a rectangle. Sides A, C, and the side of the rectangle adjacent to side B have lengths of #18 #, #12 #, and #6 #, respectively. What is the rectangle's area?

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Answer 1 · 2016-09-25T04:25:29

#80.496#

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#A^2=B^2+C^2#
#=> B=sqrt(A^2-C^2)#
Given #A=18, C=12 #
#=> B=sqrt(18^2-12^2)=13.416#

Rectangle area #= Bxx6 =13.416xx6 =80.496#