document.write( "Question 1093090: (picture of the problem) https://imgur.com/pci4KhW\r
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document.write( "Complete the list of missing values below, Given: AB is congruent to BF, CB is congruent to CF, triangle DEF is equilateral, and = 40deg.\r
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document.write( "(same as first link but only the triangle) https://imgur.com/4b3QvKW\r
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Algebra.Com's Answer #707682 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! If E is the unnamed vertex at the right, then DFE is 60 degrees, because it is an equilateral triangle. \n" ); document.write( "DFE and BFD together are 100 degrees, 60+40, and therefore BFA is 80 degrees. That makes ABF 20 degrees, because the two angles of an isosceles triangle that are equal comprise 160 degrees. \n" ); document.write( " |