Question

Question 74

The diameter of Earth is 12756000 m. In 1996, a new planet was discovered, whose diameter is $\frac{5}{86}$ of the diameter of Earth. Find the diameter of this planet in km.

Answer 1

Given, diameter of Earth $=12756000m=\frac{12756000}{1000}=12756$km
According t the question,
Diameter fo new planet $=\frac{5}{86}$ of diameter of Earth
$=\frac{5}{86}\times 12756=\frac{63780}{86}=741.62km$