is it 21 square root of 5, irrational or
47.0 rational?
sqrt(225)/5*sqrt(245) = 46.9574275274955836, so I'd believe irrational.
√225 = 15
√245 = √(49 *5) = 7√5
So
15/5 * 7√5 =
3 * 7√5 =
21√5
Which is irrational
+5265 +5265 
