Jawab:
Yaa
Penjelasan dengan langkah-langkah:
Kubus
r = a cm
O tengah ABCD
Perhatikan segitiga AOH siku di O
sudut antara AH dan BDHF = sudut AHO
Segitiga AHC samasisi
AHC = 60°
AHO = 1/2 AHC = 30° ✔
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Jawab:
Yaa
Penjelasan dengan langkah-langkah:
Kubus
r = a cm
O tengah ABCD
Perhatikan segitiga AOH siku di O
sudut antara AH dan BDHF = sudut AHO
Segitiga AHC samasisi
AHC = 60°
AHO = 1/2 AHC = 30° ✔