If it's a right angle triangle and you know its base and height then use Pythagoras' theorem to find the length of its hypotenuse.
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Area of a square = side length squared (x+y)2 (x+y)(x+y) x2+xy+yx+y2 Area = x2+2xy+y2
12/25 = 2/y so y = 2*25/12 = 25/6 = 4.166... units.
The perimeter is the sum of its 4 sides and its area is length times width
length of a side.If a side Y long. Surface area =Y x Y x 6
5xy