find the answer chapter square root
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1) Area of square = a² = 25600
a = √25600 = 160m
2) By Pythagoras theorem,
XZ = √(XY²+YZ²)
= √(100+900) = √1000
= 10√10cm
3) Let the side of the square be a then,
Area of rectangle = lb = 48×12 = 576m²
Area of square = a²
By the given conditions,
lb = a² - 100
a² = 576 + 100 = 676
a = √676 = 26m
Hence,
perimeter of square = 4a = 4×26 = 104m
4) Length of diagonal = √(l²+b²)
d = √(144+81) = √225 = 15m
I don't know the rest
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