Diameter of Earth is 12756000m. In 1996, a new planet was discovered whose diameter isof the diameter of Earth. Find the diameter of this planet in km.


As 1000m = 1km,

Diameter of earth, D = 12756000m = 12756km


Diameter of planet = d




0.058 × 12756 km


739.848 km


Diameter of this planet is 739.848 km


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