Question

Tolong yg pintar mtk ke sini nmr 1,6 sm 8 pake cara

Answer 1

1. RP = √13²-5² = √169-25 = √144 = 12 cm
Luas = 12x5/2 = 60/2 = 30 cm²

6. V = πr²t/3
t = 3 x 4.525,92/(3,14 x 12²)
t = 13.577,76/452,16
t = 30 cm

8. r = 0,35 m = 3,5 dm
t = 12,6 dm
V = 22/7 x 3,5² x 12,6/3
V = 38,5 x 4,2 = 161,7 liter