Answer:
your answer should be 45
Step-by-step explanation:
If Im not mistaken, the answer should be d because if you add all the degrees up, then you would get 222. And if you subtract 360 from 222 you get 138. I hope this helps. :)
Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
48 i know because i used a calculator
