Question

In fig . calculate the measure of angle ABC​

Answer 1

Answer:

130°

Step-by-step explanation:

angle AOC = angle ABC

ABC=130

Answer 2

Answer:

Step-by-step explanation:

$\sqrt{AOC} =130 [GIVEN]\\\\reflex \sqrt{AOC} =360-130 = 230\\\\\\reflex\sqrt{AOC} =\frac{1}{2} \sqrt{ABC} \\\\230=\frac{1}{2} \sqrt{ABC} \\\sqrt{ABC} =\frac{1}{2}. 230\\\sqrt{ABC}=115\\\\DONE,BEST OF LUCK$