Bantu ya penting nihhhhhhh

1. L = 4πr², = 4π(½d)² = πd²
= (3,14)(3,62)(3,62)
= 41,147816 cm
2. A.
3. ρ = m/v. 265/320 = 0,828 g/cm³
= A
4 C
5. D
6. C