Tolong cpt Bsk Mau kumpul... pake caranya

[tex] \left[\begin{array}{ccc}15\end{array}\right] \\\\AB^2 = OB^2 - OA^2\\AB^2 = 25^2 - 7^2\\AB^2 = 625 - 49\\AB = \sqrt{576}\\AB = 24 cm\\\\\\ \left[\begin{array}{ccc}16\end{array}\right] 1 buah\\\\\\ \left[\begin{array}{ccc}17\end{array}\right]\\\\DE^2 = AB^2 - (AE - BD)^2\\DE^2 = 20^2 - (18 - 6)^2\\DE^2 = 400 - 144\\DE^2 = 256\\DE = \sqrt{256}\\DE = 16 cm\\\\\\ \left[\begin{array}{ccc}20\end{array}\right]\\\\AB^2 = DE^2 + (AE + BD)^2\\AB^2 = 24^2 + (7 + 3)^2\\AB^2 = 24^2 + 10^2\\AB = 26 cm [/tex]

[tex] \left[\begin{array}{ccc}24\end{array}\right]\\\\Lp Kubus = 150 \\6s^2 = 150\\s^2 = 25\\s = \sqrt{25}\\sisi = 5 cm [/tex]