Tolong bantu jawab no 35 dan 36
Ujian Nasional
divazahira
Pertanyaan
Tolong bantu jawab no 35 dan 36
2 Jawaban
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1. Jawaban deva1501
Diket:
d = 10 cm
r = 5 cm
s = 13 cm
tinggi tabung = 6 cm
Vbanguntotal = ?
•) t kerucut = √s²-r²
= √13²-5²
= √169 - 25
= √144
= 12 cm
maka;
•) Vbangun total = Vkerucut + Vtabung
= 1/3 × Πr²t + Πr²t
= (1/3×3,14×5×12) + (3,14×5²×6)
= (1/3× 188,4) + 471
= 62,8 + 471
= 533,8 cm³
semoga bermanfaat -