What is the length of side of a square, if the area of square is 441 cm2?
A. 21 cm
B. 29 cm
C. 31 cm
D. 39 cm
Answer:A
What is the length of side of a square, if the area of square is 441 cm2?
A. 21 cm B. 29 cm C. 31 cm D. 39 cm
Explanation: Area of a square = 441 cm2