1.a)ipotenuza = [tex] \sqrt{ {7}^{2} + {24}^{2} } = \sqrt{49 + 576} = \sqrt{625} = 25[/tex]
b) ipotenuza = [tex] \sqrt{ {6}^{2} + {15}^{2} } = \sqrt{36 + 225} = \sqrt{261} = 3 \sqrt{29} [/tex]
2.a) [tex] \sqrt{ {41}^{2} - {40}^{2} } = \sqrt{81} = 9[/tex]
b)[tex] \sqrt{ {17}^{2} - {15}^{2} } = \sqrt{64} = 8[/tex]
3. Diagonala la patrat = [tex]l \sqrt{2} [/tex]
a)[tex]34 \sqrt{2} [/tex]
b)46
4.a)[tex] \sqrt{ {15}^{2} + {20}^{2} } = \sqrt{625} = 25[/tex]
b)[tex] \sqrt{ {13}^{2} + {18}^{2} } = \sqrt{493}[/tex]
6.a) EF = [tex] \sqrt{ {12}^{2} + {35}^{2} } = 37[/tex]
Cu atat te pot ajuta
