81 cm^2
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pie x 4.5 squared
6 squared plus 9 squared is equal to 117.
Hypotenuse squared = 12 squared + 5 Squared so Hypotenuse Squared = 144 + 25 so Hypotenuse = Square root of 169 = 13cm
Incorrect. 1 m = 100 cm 1 m2 = (100 cm)2 = 10000 cm2
92 = 9 x 9 = 81