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a)3cm, 4cm, 5cm
d=√(a²+b²+c²)
d=√(3²+4²+5²)=√(9+16+25)=√50=5√2
b)2√2cm, 3√3cm, 5cm
d=√(a²+b²+c²)
d=√((2√2)²+(3√3)²+5²)=√(8+27+25)=√60=2√15cm
a) d=√3²+4²+5²
d=√9+16+25
d=√50
d=5√2(cm)
b)d=√(2√2)²+(3√3)²+5²
d=√8+27+25
d=√60
d=2√15(cm)