" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
n + n +3 + n +6=36
3n+9=36________/-9
3n=27__/:3
n=9
boki trójkąta: 9, 12,15
9²+12²=15²
81+144=225
225=225
odp.: Trójkąt jest prostokątny.
zad. 2
a) 8²+17²=x²
64+289=x²
353=x²
x=√353
b) 0,3² +5²= x²
0,09+25=x²
25,09=x²
x²=√25⁹/₁₀₀
c) 14²+ 0,5²= x²
196+0,25= x²
x²=196,25
x=√196,25