Question

If a = a1c and b = b1c where c = gcd(a, b), then lcm(a, b) = a1b1c.

Answer 1

in the given figure aob is a straight line and the ray OC stand it if angle AOC is equals to 2x -0 10 degree and Angle BOC is equals to 3x+ 20 degree find the value of x also find angle AOC and angle BOC