Answer:
A=2(1+2)a2
Step-by-step explanation:
(A)= 0
(B)= 1/9
(C)= 1/36
when you divide 2 fractions, you reverse the second fraction then use multiplication
3/5 divided by 3/15 becomes
3/5 x 15/3 = 45/15 = 3
No a polygon only has 3 sides and 3 angles.
