Sebuah tabung memiliki luas permukaan 528 cm2 tingginya 12cm berapa jaru jari nya?
More Questions From This User See All
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Lp = 528 cm²
t = 12 cm
Ditanya :
r = ?
Jawab :
Lp tab = 2πr² + 2πrt
528 = 2πr (r+t)
528 = 2. ²²/7 . r (r+12)
528. 7 = 44. r(r+12)
3696 = 44. r(r+12)
84 = r(r+12)
84 = r²+ 12r
.......
mf tau smp dsitu aj