Uchburchak ichki burchaklari yig’indisi
![Uchburchak
ichki
burchaklari
yig’indisi](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_1.png)
![1 2
3
12
3
Yoyiq burchak – + +](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_2.png)
![Uchburchak ichki
burchaklarining
yig’indisi
ga teng.](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_3.png)
![A B
C
+ +](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_4.png)
![A B
C](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_5.png)
![= A = B
C =
+ +](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_6.png)
![+ +
= +
= +
= +](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_7.png)
![Masala.](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_8.png)
![A B
C?????? ??????
??????
?
?
???????????????????????????????????????????????? :
∠ ?????? = ????????????
??????
∠ ?????? = ?
∠ ?????? = ?
∆ ?????????????????? − ???????????????????????? ??????????????????????????????
∠ ?????? = ∠ ??????
???????????????????????????????????????????????????????????? :
∠ ?????? = ∠ ?????? = ????????????
??????](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_9.png)
![A B
C?????? ??????
??????
?
?
???????????????????????????????????? ?????????????????????????????????????????? : + +
?????????????????????????????????????????? ?????????????????????????????????????????? :
– +
–
?????????????????????????????????????????????????????? :](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_10.png)
![A B
C?????? ??????
??????
?????????????????????????????? :
∠ ?????? = ????????????
??????
∠ ?????? = ??????????????????
??????
?????? ?????? ??????
??????
??????
??????
??????](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_11.png)
![Qolgan
masalalarni
mustaqil
yechishga
harakat qiling!](/data/documents/2a9ab8ae-bcdd-4db4-8929-b3a6ab5bb02f/page_12.png)
Uchburchak ichki burchaklari yig’indisi
1 2 3 12 3 Yoyiq burchak – + +
Uchburchak ichki burchaklarining yig’indisi ga teng.
A B C + +
A B C
Uchburchak ichki burchaklari yig’indisi
1 2 3 12 3 Yoyiq burchak – + +
Uchburchak ichki burchaklarining yig’indisi ga teng.
A B C + +
A B C