14 and 15
14^2 = 196
15^2 = 225
225+196 = 421
You can either use a caculator or use pencil and paper if you know how to times the numbers line them up then time it ill show you
21 full tables because if you divide the amount of plates you have by the amount of plates needed for each table you’ll get 21.5 but they asked for full tables so that would be 21
Answer:
120°
I just used a protractor tool lol. I looked it up afterwards as well and 120° is correct.