Начертательная геометрия
.pdf
13. & % . / 5 |
291 |
= . 13.24 |
|
292 |
. |
|
= . 13.25 |
13. & % . / 5 |
293 |
) , -+ - . + 1:1 ( ), " , ,+ , +- , .
D " ,– ' " . (D D ) 1 ( . 7.2), - D' – ) 2 ( . 13.6).
% D . !, , " ,%#$ 2.316-68 D , ( ' ( . 13.26, ). @ , D , ( ( . 13.26, ).
|
|
= . 13.26
D ) , -"( . ) k D' ' " , ,, D' , D +-( D ) . ( "D .
)' , , -. $', ". # ' s=0,8…1,0 . : , , , + . ., D' ' s/3, , D' ' .
294 |
. |
|
|
- |
|
' , " , -" .
@ , -. &.
, D D D . @ -D , -' " , «& ».
"# "&( ) * & :"+" " *
1.& D ?
2.& > D ?
3.& , " , + , , - , + , + . .?
4.D?
5.& + ?
6.& D ?
7.& ?
8.& ) ? D ?
9.?
10.& D ) (- , " , + . .)?
11.& ?
12.& ?
13.& ' D?
14.& ' " ?
15.' " " ?
16." ?
17.« »?
18.+ -
?
19.& (" )> D ?
14
B m
14.1. " + % " % =) %0 % &"" >/ %0. "+>:$%* % & ) %=$%* & "% ! ": # " + % " %%
'- ! ! * ( , " : !
= D- D . * , + , -, ) > ,.
> D " . 8 – ' : + , , , . . % : - ( (1-2 ( ), ( (3-5 ( ), " ( (6- 12 ( ), + ( ( 25 ( ) ( 25
( ).
+ + - . & : ) , -, ( " , " . -D , D+ , ) ,. .
| – , , ( , , " , -, . .
D-, ,
, .
I D , , -( . + D " . 4-" "-. B -D : ' D ' ,> , " , , -, .
296 .
) !
' D , -> " , , "-. )" ,..
+ , D - D' ,. , ' +-,( " .
2 " , ( (-( , -, " - " -" .
, ' , ,, D' ) D. B D D " -" . " + "@202-69 '-" " @401-69 ' – -D – .D ' D >+ , -.
2 1 – – -- -+ , " "-, " - ( . ! -.
3 – -– D " " .
3 " + ,
14. % |
297 |
- . = '; " ,+ . N + + , '-, " ',, + D "- . " --.
) ! ! $
$ , -" " D -" " , , . . -) D-" .
4 .
1.% – D -, " ) " , " " " . C > -D C CC, / &C, M =.
2.# (#$) – -" , "-" ( ), D' D' D ( .
3.= D (=$) – -" " - " .
4., > ($) –, > , + " .
%#$ 2.103-68 D' -- : , ( . $ "
-. -> 'D %#$ 21.101-97
298 |
. |
C , .3,4. ( %#$ 2.102-68; %#$ 21.501-73 / &C.
"
%#$ 21.101-97D , -" D D " - . ; " -. ; - . C -D' :
% , …………………….. %$ % ………………………………………………….% M + ………………………………………….M=
M- + ...………………………...M * ………………………………………………………….M* & ……………………………………&O & ……………………………………...&; & ………………...&;C & ………………………………………….&C…………………………..& @ ………………..@ & # , ………...# $ ………………………………………………………$ % ……………………………………………………...% B …………………………………………………B B ' …………………………………………………B# M ……………………………………………………….M
", " -" . ( -D " ) . B , , D " -– " .
: * ( , " ( "(
> – - . 4 D D D
14. % |
299 |
, ' D ' ( , .
& D , ' (- , , " .
! , " D " ( , D . ; , D' -, . 14.1.
$ 14.1 ;
@ |
; |
|
@ |
; |
N |
N |
|
|
# |
N |
N& |
|
, - |
|
N |
N |
|
|
|
N |
N |
|
|
& |
N ) |
N: |
|
|
|
N |
N |
|
|
# |
C |
C |
|
' |
< |
* |
;M |
|
= |
=; |
* |
;@ |
|
= " |
= |
* |
; |
|
|
|
* |
*; |
|
|
|
& - |
= |
|
" |
% |
|
|
|
|
|
& - |
& |
|
|
< |
|
|
|
|
& |
& |
& |
|
: |
: |
< |
< |
|
: |
: |
; + |
;< |
|
: - |
:$ |
; |
;= |
|
|
|
# |
# |
|
: ) |
:: |
" |
% |
|
: |
: |
|
|
|
: |
:< |
|
= |
|
: |
:N |
|
|
|
: - |
:# |
|
|
|
|
|
@ . 14.1 ( - . : , , " , , , D ' .
300 |
. |
9 D " " – . : , D' D + , D - , D , - ' . : D , "" " -.
4 ! % : |
|
1 – , 2 – , 3 – , 4 – % , 5 - - |
|
! , 6 – |
, 7 – , 8 – - |
, 9 – 5 , 10 – , 11 – , 12 – , |
|
13 – , 14 – ! , 15 – , 16 – 5, 17 – - |
|
, 18 – % , 19 - |
|
|
= . 14.1 |