Answer:
a= 126 degrees
b= 54 degrees
r= 54 degrees
s= 126 degrees
Step-by-step explanation:
x=14
The sum of a interior angle is 180°
(7x-11)+(2x-3)+(5x-2)°=180°
7x+2x+5x=180+11+3+2
14x/14=196/14
x= 14
Hope this answers your question!! :)
45% of 15.2 is 6.84