Penjelasan dengan langkah-langkah:
1 baju anak = 100 % - (40+38)
= 100 - 78
= 22 %
2 jumlah baju anak
= 22/100 x 300
= 66 baju anak
3 sudut C
= 180 - (125 + 35)
= 180 - 160
= 20°
4. sudut tumpulnya
= 360 - (52 x 2)
= 360 - 104
= 256°
jadi masing²nya = 256 : 2 = 128°
5 sudut ABC = 120°
sudut ABX = 120-18
= 102°
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Penjelasan dengan langkah-langkah:
1 baju anak = 100 % - (40+38)
= 100 - 78
= 22 %
2 jumlah baju anak
= 22/100 x 300
= 66 baju anak
3 sudut C
= 180 - (125 + 35)
= 180 - 160
= 20°
4. sudut tumpulnya
= 360 - (52 x 2)
= 360 - 104
= 256°
jadi masing²nya = 256 : 2 = 128°
5 sudut ABC = 120°
sudut ABX = 120-18
= 102°