BAngun RuangKerucutBola
Penjelasan dengan langkah-langkah:
gambar kerucut, r = 7, s =25, t = 24dan 1/2 bola , r = 7
Luas permukaan = luas selimut kerucut + luas 1/2 bolaLP = π r s + 2 π r²LP = π r (s + 2r)
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BAngun Ruang
Kerucut
Bola
Penjelasan dengan langkah-langkah:
gambar
kerucut, r = 7, s =25, t = 24
dan 1/2 bola , r = 7
Luas permukaan = luas selimut kerucut + luas 1/2 bola
LP = π r s + 2 π r²
LP = π r (s + 2r)