Jawab:
*Luas permukaan: 2πr(r + t)
L = 2.π. 7 (7 + 6)
L = 2. π. 7 (13)
L = 2. π. 91
L = 182 π cm2
Apabila nilai π = 22/7 maka,
L = 182 x 22/7 = 572 cm2
*Volume: πr2 × t
V = π . 72 . t
Jawab:
*Luas permukaan: 2πr(r + t)
L = 2.π. 7 (7 + 6)
L = 2. π. 7 (13)
L = 2. π. 91
L = 182 π cm2
Apabila nilai π = 22/7 maka,
L = 182 x 22/7 = 572 cm2
*Volume: πr2 × t
V = π . 72 . t
Editor: Muhammad Khusaini