Bantu kak mau dikumpulkan sekarang pliss bantu kak

Bantu kak mau dikumpulkan sekarang pliss bantu kak

$sin(45) = frac{bc}{ac} \ frac{1}{2} sqrt{2} = frac{bc}{6 sqrt{2} } \ frac{1}{2} sqrt{2} .6 sqrt{2} = bc \ bc = 3 times 2 = 6cm \ cos(45) = frac{ab}{ac} \ frac{1}{2} sqrt{2} = frac{ab}{6 sqrt{2} } \ ab = frac{1}{2} sqrt{2} .6 sqrt{2} \ = 3 times 2 \ = 6 : cm$