Answer:
∠BOC = 100°
Explanation:
Given that,
∠BOC = 25x
and
∠COD = 20x
We need to find the measure of ∠BOC.
BOD is a straight line. Here, linear pair will form. So,
∠BOC+∠COD=180
25x+20x=180
45x=180
x=4
So,
∠BOC = 25(4)
= 100°
So, the measure of ∠BOC is equal to 100°.