- In the figure, find the value of y° and thereby find the value of each angle.
5y+3y+2y=180o{straight line}
10y=180o
y=18o
angles are 90o,54o and 36o respectively.
5y+3y+2y=180o{straight line}
10y=180o
y=18o
angles are 90o,54o and 36o respectively.