tolong kak no 6 &7 pake caranya ya kak

6. sin 45 = AB : 10
[tex] \frac{1}{ \sqrt{2} } = \frac{ab}{10} \\ ab = 5 \sqrt{2} [/tex]
7. P = 90, Q = 30, Maka R = 60
p:q:r = 90:30:60 = 3:1:2