Question

Find the lenght of the side of square whose area is 441cm square

Answer 1

Step-by-step explanation:

1+1+1++1++1+1+1+1+1+1+1+1+1+1+1++++++++1+2++2+2_22-2-2-2-2-1++1+1+1--1-1-2-2(2)&2-2--12(1(2&1-2+2(2(2(2(2+2(2(2+2+22+2+2(2(2+(22(292982+2(2+2+28282+2+2+2)2)2)2)2)2)2)2)2+2(1(2(1(2(1(1+)1+1(1+229282891362211333+229919192+33993939393?????

Answer 2

Answer:

Step-by-step explanation:

21cm is its one side