Matematika Sekolah Menengah Atas Tolong Dijawab yah kak
Makasih​

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Tolong Dijawab yah kak Makasih​ Jawab: kesebangunan ΔABC sebangun EDC <A = <E <B = < D <C = < C perbandingan sisi bersesuaian AC/CB =  EC/CD 20/20 = 4/CD 1  =  4/CD CD =  4cm AB/AC = ED/EC AB/20 = 3/4 AB = 20 (3)/4 AB = 60/4 AB = 15
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