kaka cupid85 tolong jawab lagi ya maaf ngerepotin 1-4

1) ps = PP ÷ skala
= 12 cm ÷ 1/800
= 12 × 800/1
= 9600 cm
= 96 m

2) ls = LP ÷ skala
= 5 ÷ 1/800
= 5 × 1/800
= 4000 cm
= 40 m

3) K = 2 × ( p + l )
= 2 × ( 96 + 40 )
= 2 × 136
= 272 m

4) Ls = p × l
= 96 × 40
= 3840 m²