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, .

1. .

2. , 0.

3. =180 , .

3.3. .

: ' = (), ' = (). : '' = .

. . 3.2.

' = () => (OA = OA', ÐAOA' = ),

B' = (B) => (OB = OB', ÐBOB' = ).

Ð AOA' = ÐBOB'. ,

ÐAOB = Ð AOA' - Ð BOB',

Ð A'OB' = Ð BOB' - Ð BOA', y Ð AOB = Ð A'OB'.

, '' :

= ', = ' Ð = Ð '', D = D '' =''.

, , .

1. , , .

2. ³ .

3. , , ' = () ' = (), ' = ().

.

. , :

1) - ;

2) , - , ;

3) ;

4) .

ֳ .

3.4. 򳺿 .

. , .

1. - . , , 1= () 2 = (A1). (. 3.3), Ð AOA2=ÐA1OA2+ +ÐA1OA2 = + A2 = (). , (. 3.4), Ð 2 = Ð 1 + (-Ð12) = + + = , 2 = ().

2. .

, , , , . , , = = = = = .

3. . =0 = 360, . , .

4. , .

, . .

, , , , = = = .

3.5. .

 

4.1. . , ' , , .

( translation ) .

' , : ' = () ' = ().

4.1. .

. ' , = (1)

, , '. : , ' = (), . (2)

' , , (3)

", . (4)

(1), (2), (3), (4) , , ' " . , , '.

1. (, ') , , , .

- , (, '), . , '.

(, '), . , . . , .

(, , ) , . (x, y) '(x', y') . (, , ) x0 y0. x', y' - x, y . , , . : . (5)





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