document.write( "Question 815290: Prove that the triangle with vertices A(-4,2), B(1,6),C(1,-2) is isosceles (find the measures of the base angle) \n" ); document.write( "

Algebra.Com's Answer #490884 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "AB =  = AC = 
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document.write( "Angle C   sin θ = 
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