Diketahui luas alas dan selimut kerucut masing masing 64 phi cm2 dan 136 phi cm2 . tinggi kerucut tersebut adalah ........ a . 12 cm c . 16 cm b . 15 cm d . 17 cm
mohon ditolong dengan cara kerjanya yah . plisss .
dahliadhee
La = 64 phi cm^ , phi x r^ ls = 136 phi cm^ , phi x r x s , r = akar(64) = 8 136 / 8 = 17 t = 17^ = (8^ + t^) 289 = 64+t^ t^ = 289 - 64 = 225 = 15
13 votes Thanks 36
lidyaanastasyac
la = 64 phi cm^ , phi x r^
ls = 136 phi cm^ , phi x r x s ,
r = akar(64) = 8
136 / 8 = 17
t = 17^ = (8^ + t^)
289 = 64+t^
t^ = 289 - 64 = 225
= 15 cm
ls = 136 phi cm^ , phi x r x s ,
r = akar(64) = 8
136 / 8 = 17
t = 17^ = (8^ + t^)
289 = 64+t^
t^ = 289 - 64 = 225
= 15