Jawabanmu

Jawaban paling cerdas!
2014-09-10T11:43:15+07:00
Luas permukaan tabung = 2xluas alas + luas selimut
= 2 x 22/7 x 28 (28 + 50)
= 2 x 22 x 4 x 78
= 13. 728 cm²
1 5 1
2014-09-10T11:44:50+07:00
LA Tab. = 2x La + p.l
= 2 x 22/7 x 28 x (28 + 50)
= 2 x 22 x 4 x 78
= 13. 728 cm²