Вокруг правильного многоугольника описанна окружность радиус которого равен R, сторона это многоугольника удалена от центра на расстоянии Rкорень из 3/2.Найти число сторон

tekst:Yesterday Emma helped her mother.First she washed the dishes,next she cleaned her shoes and then she played with her brother,Joe.She walked to the supermarket and the carried home two heavy bags.there was a poster on a wall.Emma's mother was very happy.She had a surprise foe Emma.Emma looked at the tickets.then she phoned Jill. zadanie:read and say.Nujno sdelat tak 4to by na nepravil'noe predlojenie u vas polu4ilos',naprimer;emma helped her father. No,Emma helped her mother. First she washed the clothes.2.then she played with her friend.3.She carried four heavy bags.4.Next she cleaned her room.4.She walked to the library.5.Jill phoned Emma.6.Emma's mother had three tickets.

(0,05-2,2+0,53):1,8+0,4=?

0,2*(0,4-1,08+0,15)+0,2=?

А.Т. Прасолов. "Я хочу, чтобы ты увидала..." Почему диск солнца сплющивается при закате?

       Я хочу, чтобы ты увидала:

       За горой, вдалеке, на краю,

       Солнце сплющилось, как от удара,

       О вечернюю землю мою.