![Gambar 8](https://cdn.pixabay.com/photo/2016/09/12/15/17/triangle-1665936__340.png)
a. 40 derajat
b. 50 derajat
c. 60 derajat
d. 70 derajat
Jawaban: b. 50 derajat
![Gambar 8](https://cdn.pixabay.com/photo/2016/09/12/15/17/triangle-1665936__340.png)
a. 40 derajat
b. 50 derajat
c. 60 derajat
d. 70 derajat
Jawaban: b. 50 derajat