Find the perimeter and lingth of the side of square whose area is 441m²
Answers
Answered by
1
Answer:
square area is a^2
therfore A = 21 CM
PERIMETER IS 4a
perimeter is 84 cm
Answered by
2
Answer:
perimeter= 84m Length = 21m
Step-by-step explanation:
area of square = side × side = 441 = 21×21
So length of side = 21 m
Perimeter of square = 4 × Length of side
= 4 × 21 = 84 m
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