w-trojkacie-prostokatnym-dane-sa-katy-ostre-alpha44circ-i-beta46circ

$\displaystyle \frac{1}{2}$\displaystyle \frac{1}{2}

$\displaystyle \frac{2}{3}$\displaystyle \frac{2}{3}

$1$1

$\displaystyle \frac{3}{4}$\displaystyle \frac{3}{4}