Find the ratio between:
3kmand300m
As, 3km=3×1000m=3000m∵1km=1000m
Ratio between 3kmand300m
3km300m=3000m300m=3×10×10×103×10×10=101
Hence required ratio is 10:1
The ratio between 2kmand 5m is
3m50cmand1m75cm
The sides of a triangle are in the ratio 3:5:7 and its perimeter is 300 m. find the area of the triangle.