The diameter of a circle is 6 kilometers. What is the circle's area?
d=6 km
Use 3.14 for 𝜋.
The radius of the circle is half of the diameter, so:
r = d/2 = 6/2 = 3 km
The area of the circle is calculated using the formula:
A = 𝜋r²
A = 3.14 x 3²
A = 28.26 km²
Therefore, the circle's area is 28.26 square kilometers.
To find the area of a circle, we can use the formula:
Area = 𝜋 * radius²
Given that the diameter (d) of the circle is 6 km, we need to first find the radius (r).
The formula for the radius is:
radius = d/2
Plugging in the value for diameter, we have:
radius = 6 km / 2 = 3 km
Now, we can calculate the area of the circle using the formula:
Area = 𝜋 * radius²
Area = 3.14 * (3 km)²
Area = 3.14 * 9 km²
Area = 28.26 km²
Therefore, the area of the circle is 28.26 square kilometers.