perimeter of the earth not 40km man.
The circumference of Earth at the equator is about 24,874 miles (40,030 km), but from pole-to-pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid.
The circumference of Earth at the equator is about 24,874 miles (40,030 km), but from pole-to-pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid.
ඔකේ තියන පොඩි දුපත USA අනිත් එක Russian


I mentioned it by figure 40,075 km not just 40km 




