Jawaban:
Jika ada bagian yg gk paham bisa pm
a.) 8√2 cm
b.) 32 cm²
Penjelasan dengan langkah-langkah:
a.) cos 45° = AB/BC
1/√2 = 8/BC
BC = 8√2 cm
b.) sin 45° = AC/BC
1/√2 = AC/8√2
AC = 8 cm
Luas segitiga = 1/2 × AB × AC = 1/2 × 8 × 8 = 32 cm²
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Jawaban:
Jika ada bagian yg gk paham bisa pm
Jawaban:
a.) 8√2 cm
b.) 32 cm²
Penjelasan dengan langkah-langkah:
a.) cos 45° = AB/BC
1/√2 = 8/BC
BC = 8√2 cm
b.) sin 45° = AC/BC
1/√2 = AC/8√2
AC = 8 cm
Luas segitiga = 1/2 × AB × AC = 1/2 × 8 × 8 = 32 cm²