Page 30 - 5.3.6

special-edu.kz.
special-edu.kz.

1) Óãîë EFN – ïðÿìîé (ðèñ. 7.39à), special-edu.kz.
 KFN  55 .

2) Ãðàäóñíàÿ ìåðà óãëà ÐFK ðàâíà
special-edu.kz. special-edu.kz. special-edu.kz.
O
115 . Óãîë ÐFÅ – ïðÿìîé (ðèñ. 7.39b).

N
a)

K

special-edu.kz. E special-edu.kz. special-edu.kz.

F

E
b) K

special-edu.kz. special-edu.kz. special-edu.kz.

P
F

Ðèñ. 7.39

28
special-edu.kz. special-edu.kz. special-edu.kz.