Автор - WTFMLGY

Решить данные задачи

Ответ

Автор - onedirek
1)по т. Пифагора
 {ac}^{2}  = {ab}^{2}  +  {bc}^{2}  = 36 + 64 = 100 \ ac = 10
2по т. Пифагора
 {mn}^{2}  =  {km}^{2}  -  {kn}^{2}  = 169 - 144 = 25 \ mn = 5
3
 {df}^{2}  =  {de}^{2}  +  {fe}^{2}  = 49 + 25 = 74 \ df =  sqrt{74}
4
 {pr}^{2}  =  {or}^{2}  -  {op}^{2}  = 81 - 49 = 32 \ pr =  sqrt{32}  = 4 sqrt{2}

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