On a map of scale 1:100 000 a rectangular plot of land measures 7cm by 4cm. what are the actual lengths of the plot in kilometers

Answer 1

1 cm = 1 / 100 m

100,000 x 1 cm = 1000 x 1 / 100 = 1,000 m

1,000 m = 1 km

1 cm on scale = 1 km

7 x 4 cm on scale = 7 km x 4 km = 28 km ^ 2