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12 squared (12 x 12) = 144
-12 squared is 144.
It is: 144*pi
Hypotenuse squared = 12 squared + 5 Squared so Hypotenuse Squared = 144 + 25 so Hypotenuse = Square root of 169 = 13cm
a squared + b squared = c squareda squared + 12 squared = 15 squareda = square root(225 - 144)a = square root(81)a = 9