B. skala = 1.200.000

Jarak peta = 2 cm

Js = 2 cm x 200.000

Js = 400.000 cm

Js = 4 km

C. skala = 1:20

Js = 6 m

Jp = 6 m : 20

Jp = 600 : 20

Jp = 30 cm

D. skala = 1 : 1

Jp = 100 cm

Js = 100 cm x 1

= 100 cm

= 1 m

Baca juga: Kunci Jawaban Matematika Kelas 7 SMP Semester 2 Ayo Kita Berlatih 5.3 Halaman 28 29