d = 10 cm , r = 5 cm
t = 12 cm (17-jari2 5cm)
s = 13 cm (triple phythagoras 5,12,13)
Lp = 1/2Lp bola + Ls kerucut
= 1/2.4.πr² + πrs
= 2.3,14.5² + 3,14.5.13
= 6,28.25 + 204,1
= 157 + 204,1
= 361,1 cm²
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d = 10 cm , r = 5 cm
t = 12 cm (17-jari2 5cm)
s = 13 cm (triple phythagoras 5,12,13)
Lp = 1/2Lp bola + Ls kerucut
= 1/2.4.πr² + πrs
= 2.3,14.5² + 3,14.5.13
= 6,28.25 + 204,1
= 157 + 204,1
= 361,1 cm²
Semoga membantu ;)