Kenetic friction but i know its kenetic cause of movement
The answer to the question would be Choice C
ANSWER:
As the given angles are in linear pair , so they must be supplementary.
4x + 6 + 4x + 6 = 180°
8x + 12 = 180°
8x = 180° - 12°
8x = 168°
x = 21°.
