1 meter/20,000 meters
is 1 meter/20 km
square that for area instead of length
1 meter^2/400 km^2
so (3/400) square meter
or in centimeters
1 sq meter = 10,000 sq cm
so
30,000/400 = 300/4 = 75 cm^2
A map is drawn to a scale 0f 1 :20 000. Calculate the area of a a lake that measures 3 square km
1 answer