Z Pitagorasa:
3²+5²= x²
9+25= x²
x²= √34
4²+y²= (4√5)²
y²= 80-16
y²= 64
y= 8
z²+4²= 6²
z²= 36-16
z²= 20
z= √20= 2√5
2²+a²= 5²
a²= 25-4
a²= 21
a= √21
(√5)²+(2√5)²= b²
5+20= b²
b²= 25
b= 5
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Z Pitagorasa:
3²+5²= x²
9+25= x²
x²= √34
4²+y²= (4√5)²
y²= 80-16
y²= 64
y= 8
z²+4²= 6²
z²= 36-16
z²= 20
z= √20= 2√5
2²+a²= 5²
a²= 25-4
a²= 21
a= √21
(√5)²+(2√5)²= b²
5+20= b²
b²= 25
b= 5