118
определялось в несколько этапов. С помощью научной статьи у учащихся будет
возможность прочитать и проанализировать рисунок.
Ключевые слова:
плоскость, точка, проекция, алгоритм, перпендикуляр, прямая
линия
Annotation.
In this scientific article, the definition of the lines of intersection of the
surface of the cone in the general situation and the plane in the general situation was
determined in several stages. With the help of a scientific article, students will have the
opportunity to read and analyze a drawing.
Key words
: plane, point, projection, algorithm, perpendicular, straight line
Tekislikning bosh chiziqlariga uning gorizontali frontali va eng katta og‘ish chiziqlari
kiradi.
Tekislikning gorizontali.
Tekislikka tegishli to‘g‘ri chiziq H tekisligiga parallel bo‘lsa,
bu to‘g‘ri chiziq
tekislikning gorizontali
deyiladi
.
Bunda h ϵ P hamda h
║
H bo‘lsa, h to‘g‘ri chiziq P tekisliklarning gorizontal chizig‘i
bo‘ladi
.
1-rasm
Chizmada tekislik gorizontalining frontal proyeksiyasi Ox ga parallel, ya’ni h”
║
Ox
bo‘ladi, tekislik gorizontalining gorzontal proyeksiyasi esa tekislikning P
H
iziga parallel,
ya’ni h’
║
P
H
bo‘ladi (1-rasm).
