September 2018 2 155 Report
Untuk no 1. ada di gambar
1. pada segitiga DEF di atas di ketahui DE = 14 cm DF = 21 cm EG = 5 cm FG = 12 cm.
Htunglah LUAS dan KELILING segitiga DEF.!

2. jika suatu segitiga sudut sudut nya berbanding 2 : 3 : 4 maka besar sudut terbesarnya adalah..
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