r = d : 2 = 20 : 2 = 10
Luas permukaan kerucut
[tex]\pi \times r(r + s) \\ 3,14 \times 10(10 + 14) \\ 31,4(24) \\ 753,6 \: {cm}^{2} [/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r = d : 2 = 20 : 2 = 10
Luas permukaan kerucut
[tex]\pi \times r(r + s) \\ 3,14 \times 10(10 + 14) \\ 31,4(24) \\ 753,6 \: {cm}^{2} [/tex]