Panjang AC adalah....A .6 cmB .6√2 cmC .12 cmD .10 cm

Panjang AC adalah….A .6 cmB .6√2 cmC .12 cmD .10 cm

Jawaban:

AC = 6√2

Penjelasan dengan langkah-langkah:

$cos( alpha ) = frac{samping}{miring} \ cos(45°) = frac{6}{ac} \ frac{1}{2} sqrt{2} = frac{6}{ac} \ ac = frac{6}{1 div 2 sqrt{2} } \ \ ac = 6 sqrt{2}$

–sy