2.
a2+b2=c2
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a2+b2=c2
122+52=c2
(12x12) (5x5)
144+25=169cm2
square root of 169 =13cm
3.
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a2+b2=c2
82+62=112
(8x8)+(6x6)=(11x11)
64+36=121
c squared = 121 squared = 11cm
It is not a perfect square because the sum of the area of the 2 legs don't equal the sum of the are of the hypotenuse
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