Question

Tolong besok dikumpulkan!!!

Answer 1

1)
a. AOB = 180 - 100 = 80
b. AOC = 180 -(40+40) = 100
c. OAC = 180 -(100+40) =40

2)
a. ACB = (180 -(180 -70)) : 2 = 35
b. AOC = 180 - 70 = 110
c. ABO = (180 - 70) : 2 = 55

3)
a. AOB = 180 - (45+45) = 90
b. ACB = 45
c. BOC = 90
d. AOD = 90
e. DOC = 90