Lp = phi r (r + 2t + s)
Lp = phi (r + 2t + √t2 + r2 )
V = vol tabung + vol kerucut
V = phi r2 t + 1/3 phi r2 t
V = 11/3 phi r2 t
V = 4/3 phi r2 t
Baca Juga: Rangkuman Soal UTS PAI Kelas 6 Semester 2, Disertai Kunci Jawaban
b). Lp = luas selimut tabung + 2 kali luas selimut kerucut
Lp = 2 phi r t + 2 x phi r s
Lp = 2 phi r (t + s)