Mathematics, 19.07.2019 22:00 mazielynn84
The measure of the exterior angle at b is(6x-7) degrees. angle cab is (2x) degrees and angle bca is (103-x) find for x.
Answers: 1
![\bf \stackrel{A}{(2x)}+\stackrel{B}{[180-(6x-7)]}+\stackrel{C}{(103-x)}=180 \\\\\\ 2x+[187-6x]+103-x=180\implies 2x+187-6x+103-x=180 \\\\\\ -5x=-110\implies x=\cfrac{-110}{-5}\implies x=22](/tpl/images/0109/3788/95972.png)
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The measure of the exterior angle at b is(6x-7) degrees. angle cab is (2x) degrees and angle bca is...
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