Pake cara ya.. makasih

6.K= 3/4 × 22/7 × 56cm
= 3/4 × 176 = 132cm
L=3/4 × 22/7 × 28×28
=3/4 ×112 =84 cm

3.K= 3,14 × 24 = 75,36
L= 3,14 × 12 × 12 = 452,12cm