Area Problems
Four horses are be tethered at four concern of a square plot of side 63 meters, so that they just cannot reach one another. The area left ungrazed is?

780.6 m2
675.5 m2
850.5 m2
785.8 m2

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Area Problems
The perimeter of two squares are 68 cm. Find the perimeter of the third square whose area is equal to the different of the areas of these two squares.

60 cm
64 cm
32 cm
8 cm

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