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Penjelasan dengan langkah-langkah:
GARIS DAN SUDUT
2a + 4a = 180 – 30
6a = 150
a = 150
6
a = 25°
3c = 6a
c = 6a
3
c = 2×25
101 Blue Ribbon Dessert Recipes (101 Cookbook Collection)
101 Blue Ribbon Dessert Recipes (101 Cookbook Collection)
Penjelasan dengan langkah-langkah:
GARIS DAN SUDUT
2a + 4a = 180 – 30
6a = 150
a = 150
6
3c = 6a
c = 6a
3
c = 2×25