1) a+b+c=5h
a*b=c*h
a2+b2=c2
−−−−−−−−−−−−−−
2) a+b=5h−c /2
a2+2ab+b2=25h2−10h*c+c2
c2+2*c*h=25h2−10h*c+c2
25h2=12c*h
25h=12c
| 25 | ||
c= | h | |
| 12 |
| 25 | ||
a+b=5h− | h⇔ | |
| 12 |
| 35 | ||
a+b= | h | |
| 12 |
| 25 | ||
a*b= | h2⇔ | |
| 12 |
| 15 | 20 | |||
a= | h lub a= | h | ||
| 12 | 12 |
| 20 | 15 | |||
b= | h lub b= | h | ||
| 12 | 12 |
| 25 | ||
C= | h | |
| 12 |