- iochjspoikpoxfk.png (51.11 KiB) Прегледано 250 пъти
$$\measuredangle ALC=\measuredangle ABC+ \measuredangle LAB \Rightarrow \measuredangle ABC= \underbrace{\measuredangle ALC}_{=96^\circ}-\underbrace{\measuredangle LAB}_{=\measuredangle LAC=\measuredangle ALM=24^\circ} =72^\circ $$
KOPMOPAH написа:$$\measuredangle ALM=\measuredangle CAL \\
\measuredangle ALC=\measuredangle MPL=96^\circ \\
\measuredangle ALM=180^\circ-(\measuredangle MPL+\measuredangle PML)=180^\circ-(96^\circ+60^\circ)=24^\circ$$$$\measuredangle ALC=\measuredangle ABC+ \measuredangle LAB \Rightarrow \measuredangle ABC= \underbrace{\measuredangle ALC}_{=96^\circ}-\underbrace{\measuredangle LAB}_{=\measuredangle LAC=\measuredangle ALM=24^\circ} =72^\circ $$
Регистрирани потребители: Google [Bot]