Question

10. If (3x + 20),(2x - 45)° are co-interior angles, then the value of x'is
a) 37°
b) 39°
c) 51°
d) 41°​

Answer 1

Answer:

3x + 20)+(2x - 45)°=180 co interior property

5x-25=180

5x=205

X=41

so answer is d