Redirect Notice
 The previous page is sending you to https://www.yaklass.ru/p/matematika-pro/2-uroven/vychislenie-ploshchadei-6998650/ploshchad-priamougolnogo-treugolnika-6998653/re-5baa260d-df30-4f3f-a39f-c6c4f33c14e7.

 If you do not want to visit that page, you can return to the previous page.