L = 2.π. 3,5 (3,5 + 20)
L = 2. π. 3,5 (23,5)
L = 7. π. 23,5
L = 164,5 π dm2
Apabila nilai π = 22/7 maka,
L = 164,5 x 22/7 = 517 dm2
*Volume: πr2 × t
V = π . 3,52 . 20
V = π . 12,25 . 20
V = 245 π dm3
L = 2.π. 3,5 (3,5 + 20)
L = 2. π. 3,5 (23,5)
L = 7. π. 23,5
L = 164,5 π dm2
Apabila nilai π = 22/7 maka,
L = 164,5 x 22/7 = 517 dm2
*Volume: πr2 × t
V = π . 3,52 . 20
V = π . 12,25 . 20
V = 245 π dm3
Editor: Muhammad Khusaini