Answer:
angle 1 130°
angle 2 50°
angle 3 130°
Explanation:
180°-50°=130°, use one of the road as the straight line,
which is 180° so angle 1 is 130°
which means angle 2 is also 50° because 180°-130° is 50°
and angle 3 is 130° because 180°-50°=130°
Hope this helps :)