В правильной треугольной пирамиде боковые грани наклонены к основанию под углом 60 градусов. Расстояние от центра основания

Usually people borrow traditions and a culture
Teachers and parents encourage a small children when they allow him to play computer games
House can be private
My holiday often depends on hotel and bus service because I like travel
Usually I can see crowds of people at some parades in any seasons
Usually people retire from work when they're 55-60
The most last year political events in our county was when we selected a new president
People can show their wisdom when they talk about a war
Tom Soyer spent his childhood in poverty
Usually people turn a doorhandle to open a door

1) clothes

2) dive them sweets, good marks, tell good words to them

3)

4) Because people want to go somewhere in exotic or unusual place for holiday

5)Near ice-cream shop

8)Give advises