Answer:
firstly find x
10x+85+8x+5=180
10x+8x+85+5=180
18x+90=180
18x=180-90
18x=90(dived by 18 both sides)
x=5
Step-by-step explanation:
8x+5(make the value of x)
8x5+5
45
angle A is equal to 45
