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

Question

Philoid · Accepted Answer

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

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.