Question

7. In given figure 0 is center of the circle if AOC=130 then find ABC
130
А A
B​

Answer 1

Answer:

= ∠ABC = 115°

Step-by-step explanation:

Reflex of ∠AOC = 360°-130°= 230°

∠ABC= Reflex of ∠AOC ÷ 2 (Angle in a semi-circle).

= 230°÷2 = 115°

Hope it helped...