Tuliskan caranya juga kak

D = 10 cm
r = 10/2 = 5 cm
t tabung = 18 cm
t kerucut = 12 cm
s = √12²+5² = √144+25 = √169 = 13 cm
π = 3,14

Lp = Luas permukaan tabung tanpa tutup + luas selimut kerucut
= πr(r + 2t) + πrs
= πr (r + 2t + s )
= 3,14 x 5 x ( 5 + 2×18 + 13)
= 15,7 x 54
= 847,8 cm²