Plissss jawab yaa no 22,23​

22) K = 2 (p+l) = 62
p+l = 31
p-l = 9
______+
2p = 40
p = 20 meter

p + l = 31
20 + l = 31
l = 31 – 20
l = 11 meter

banyak plastik
= 20×11/ 2×11

= 220/22

= 10 lembar