How many squares of the natural numbers, beginning from 1, need to be added to give a total of 9455?(CTS COMPANY)

How many squares of the natural numbers, beginning from 1, need to be

1.	How many squares of the natural numbers, beginning from 1, need to be added to give a total of 9455?(CTS COMPANY)
A.	29
B.	20
C.	30
D.	25
Answer» D. 25