Jawaban:
mencari s
= r kuadrat+ t kuadrat
= 9 kuadrat + 12 kuadrat
= 81+144
=√225
= 15
#. Luas permukaan
= π×r×r+π×r×s
=3,14×9×9+3,14×9×15
= 254,34 + 423,9
= 678,24
# Semoga jawabannya ya,
" Life is not a problem to be solved but a reality to be experienced! "
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Jawaban:
mencari s
= r kuadrat+ t kuadrat
= 9 kuadrat + 12 kuadrat
= 81+144
=√225
= 15
#. Luas permukaan
= π×r×r+π×r×s
=3,14×9×9+3,14×9×15
= 254,34 + 423,9
= 678,24
# Semoga jawabannya ya,