zarias2
zarias2
11-07-2018
Mathematics
contestada
I’m confused on this one
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choixongdong
choixongdong
11-07-2018
AD = CD
BD = BD
<C = <A = 90
Triangle ABD = Triangle CBD
so <ABD = <CBD = 18°
<ABC = <ABD + <CBD = 18° + 18° = 36°
Answer
<ABC = 36°
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