Between 13 and 14 (C)
Step-by-step explanation:
11ยฒ = 11 ร 11 = 121
12ยฒ = 12 ร 12 = 144
13ยฒ = 13 ร 13 = 169
14ยฒ = 14 ร 14 = 196
15ยฒ = 15 ร 15 = 225
180 is between 169 & 196
= โ180 is between โ169 & โ196
= โ180 is betwwen 13 & 14
So, โ180 falls between numbers 13 and 14 (C)
Hope it helpful and useful :)