Luas selimut kerucut = 754 2/7 cm². Diameter alas = 24cm π = 22/7. Tentukan :
a. panjang garis pelukis, b. tinggi kerucut, c. volume kerucut
a. panjang garis pelukis, b. tinggi kerucut, c. volume kerucut
More Questions From This User See All
754 2/7 = 22/7 12 s
754 2/7 = 264/7 s
754 2/7 × 7/264 = s
754 × 1/132 = s
5,71 = s
6 = s
s² = r² + t²
t² = r² - s²
t² = 12² - 6²
t² = 144 - 36
t² = 108
t = √108
t = √36 × 3
t = 6√3 atau 10,39
Vkerucut = 1/3 π r² t
= 1/3 22/7 12² 6√3
= 1/3 22/7 144 10,39
= 1.567,4