Răspuns:
Conform teoremei lui Pitagora: i²=c1²+c2² , calculam:
a)
x²=10²+24²
x²=100+576
x²=676
x=26 cm
b)
x²=24²+7²
x²=576+49
x²=625
x=25 cm
c)
x²=17²-15²
x²=289-225
x²=64
x=8 cm
d)
x²=6,5²-2,5²
x²=42,25-6,25
x²=36
x=6 cm
