The length of the side of a square with an area of 1600m2 is ____.
If the side of square is a, its area is a2.
According to question,
a2=1600 a2=2×2×2×2×10×10 a=√2×2––––––×2×2––––––×10×10–––––––– ↓↓↓ 2×2×10 a=40m
The length of the side of a square with an area of 1600 m2 is ___ metres.
The length of the side of a square with an area of 1600 m2 is __ metres. (Enter numerical value)
If the area of a square plate is 100 m2, then what are the side length of the square plate and its perimeter respectively?