Question

Bantu jawab yaa.. Ada 3 soal​

Answer 1

28. dik. persegi panjang

panjang pd peta (pp) = 4 cm

lebar pd peta (lp) = 3 cm

skala 1 : 500

dit. kel? hitung panjang dan lebar sebenarnya!

jawab :

ps = pp/skala

= 4/1 : 500

= 4 x 500

= 2.000 cm = 20 m

ls = lp/skala

= 3/1 : 500

= 3 x 500

= 1.500 cm = 15 m

kel = 2p + 2l = 2•20 + 2• 15 = 40 + 30 = 70 m

29. dik. persegi panjang

panjang pd peta (pp) = 20 cm

skala 1 : 200

dit. panjang sebenarnya (ps)?

jawab :

ps = pp/skala

= 20/1 : 200

= 20 x 200

= 4.000 cm

= 40 m

30. dik.

jp = 8 cm

skala 1 : 1.500.000

dit. js?

jawab :

js = jp/skala

= 8/1 : 1.500.000

= 8 x 1.500.000

= 12.000.000 cm

= 120 km