24. luas permukaan gabungan bangun ruang di bawah ini adalah... 8 cm 5 cm 8 cm 8 cm a. b. c. d. 268 cm2 286 cm2 368 cm2 386 cm2
jawabnya yg benerr harus sama sama Abc
jawabnya yg benerr harus sama sama Abc
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Jawaban:
368cm²
Penjelasan dengan langkah-langkah:
l kubus=5xsxs
=5x8x8
=320cm²
t=5²-4²
=25-16
=9=3cm
l limas = 4x1/2xaxt
=4x1/2x8x3
=2x8x3
=48cm²
l=320+48=368cm²
MAAF KALOK SALAH