| a−b | ||
dzielącego trapez na dwie figury o równych polach. Pierwsze co mi przyszło to | ||
| 2 |
| a2+b2 | ||
x= √ | ||
| 2 |
|EF|=e
1)
| a+e | e+b | ||
*h1= | *h2 | ||
| 2 | 2 |
| 8+e | 4+e | ||
*h1= | *h2 | ||
| 2 | 2 |
| 8+e | h2 | ||
= | |||
| 4+e | h1 |
| PF | QB | ||
= | ⇔ | ||
| h2 | h1 |
| e−4 | 8−e | ||
= | |||
| h2 | h1 |
| e−4 | h2 | ||
= | ⇔ | ||
| 8−e | h1 |
| 8+e | e−4 | ||
= | |||
| 4+e | 8−e |
| √42+82 | ||
e= | ||
| √2 |
| √80 | √160 | 4√10 | ||||
e= | = | = | =2√10 | |||
| √2 | 2 | 2 |