Un rettangolo in un triangolo rettangolo Sia dato il triangolo rettangolo ABC. Si prenda un punto E su AB e da questo si tracci la parallela a AC, fino all’ipotenusa. Dal punto F così ottenuto si ...
FC è esprimibile sia come ipotenusa del triangolo rettangolo DFC che come ipotenusa del triangolo rettangolo EFC. Si ha pertanto: FD 2 + DC 2 = FE 2 + EC 2. Poiché FD = 4 (si tratta del cateto ...
HuffingtonPost Italia: La soluzione del problema del cerchio inscritto in un triangolo rettangolo
Lina Inverse, also called the Dra-Mata (Dragon-Spooker) by people ignorant of her hair-trigger temper, is one of the most powerful users of Black Magic in the Slayers world to date. By the age of seventeen she has so far aided in the downfall of two major demi-gods of darkness, as well as numerous other quests of justice... however, such is the price she pays for her great knowledge. By the ...
Lina Inverse returns to her inn one evening to find it ablaze. It seems that a particular person wished to meet her, and just so decided that Lina was going to be her lifelong rival from that night on. And, pretty much, that's how we meet Naga the Serpent. As time progresses, Naga makes a name for herself. Granted, it's not exactly "Naga, the greatest and strongest rival of Lina Inverse" as ...
Initially hoping for the help of Luna Inverse, whom she believed was the most powerful sorceress in the land, Filia was somewhat disappointed to be turned down. Instead, Luna referred Filia to her kid sister, Lina Inverse... Filia is still quite young as dragons go - she's very tempermental.