Jawabanmu

2014-02-18T21:23:29+07:00
D² = p² - (R+r)²
(R+r)² = p² - d²
(6+r)² = 26² - 24²
(6+r)² = 676 - 576
(6+r)² = 100
6+r = √100
6+r = 10
r = 10-6
r = 4 cm
6 3 6
2014-02-18T21:53:56+07:00
L = Akar( jarak Kuadrat + (r1 + r2)kuadrat)

= 2