Question

ex 24 , 25 , 26 , 27 , răspunsurile

Answer 1

[tex]24)\:180-105=75\\ 25)\:3x+9y=3(x+3y)=3\cdot17=51\\ 26)\:d=2r=2\cdot8=16\\ 27)\:\sin{\alpha}=\frac{\sqrt{2}}{2}\Leftrightarrow \arcsin({\sin{\alpha})}=\arcsin\frac{\sqrt{2}}{2}\Leftrightarrow \alpha=\frac{\pi}{4}=\frac{180}{4}=45[/tex]