Find the area of a circle with a diameter of 12 in (rounded to nearest tenth). A=___ square inches 36 113.1 1129 87.3
Mathematics · Middle School · Sun Jan 24 2021
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Given:
Diameter = 12 in
Radius = d/2
Radius = 12/2
Radius = 6 in
Find the area of the circle.
Formula for the area of the circle:
A = pi r^2
Solution:
Substitute the given value of r to the equation.
A = pi r^2
A = pi (6 in)^2
A = 36 pi in^2
A = 113.09 in^2
Final answer:
A = 113.09 in^2