Answer:
34-89
Step-by-step explanation:
polygon: (n-2) × 180
n: nonagon
octagon has 8 sides
HCF=3
Factors of 15t= 3*5*t
Factors of 6s= 2*3*s
HCF= Common factors
common factor = 3
Percent means per- amount
And the second one is dividing.