Question

Diameter of Earth is 12756000m. In 1996, a new planet was
discovered whose diameter is 5 /86 of the diameter of Earth. Find the
diameter of this planet in km?

Answer 1

Answer:

x = 741.6279 km

Step-by-step explanation:

Let the diameter of this planet be x.

Diameter of this planet = 5/86 of Earth's Diameter

x = 5/86 × 12756000

= 741627.90 m ⇒ km

= 741627.90/1000

= 741.6279 km

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Answer 2

Answer:

≈ 741.6279 km

Step-by-step explanation:

d = 12,756,000 m = 12,756 km

$\frac{5}{86}$ d = 12756 × 5 ÷ 86 ≈ 741.6279 km