Question

Find the length of the side of a square whose area is 441ଶ​

Answer 1

Step-by-step explanation:

Area =(side)

2

=441m

2

21

2∣

4

ˉ

41

ˉ

∣−4

41∣41

∣−41

∣0

∴Side=

441

m

=21m

Answer 2

Answer:

the answer is 21

plzz follow n mark as brainliest