" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
|AB|=√[(4-2)²+(-1-3)²]
|AB|=√[2²+(-4)²]
|AB|=√[4+16]
|AB|=√20
|BC|=√[(2-1)²+(3-2)²]
|BC|=√[1²+1²]
|BC|=√[1+1]
|BC|=√2
|CA|=√[(1-4)²+(2+1)²
|CA|=√[(-3)²+3²]
|CA|=√[9+9]
|CA|=√18
|BC|²+|CA|²=|AB|²
√2²+√18²=√20²
2+18=20 trójkąt prostokątny