Question

The radius of a circle is 13 miles. What is the circle's area?

Answer 1

Solution:

We know that:

• Radius: 13 miles
• Area of circle = (π)(r²)

Finding the area of the circle:

• Area of circle = (π)(r²)
• => Area of circle = (3.14)(13²)
• => Area of circle = 3.14 x 169
• => Area of circle = 530.66 m²

Answer 2

A=π×r×2=

=π×13×2 =

530.92916 mi²

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