Question

The radius of a circle is 1 kilometer. What is the area?

r=1 km
Give the exact answer in simplest form.

Answer 1

The area of circle is 3.14 km²

Explanation:

For a given Circle

radius (r) = 1 km

Now, Area of circle

A = πr²

A = 3.14 × (1)²

A = 3.14 × 1

A = 3.14 km²

Thus, The area of circle is 3.14 km²

-TheUnknownScientist 72