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Sagot :
331.5 inches² is the area of the octagon, rounded to the nearest square inch.
What is octagonal in shape?
- In geometry, an octagon is a polygon that has 8 sides and 8 angles.
- All the sides are joined end to end to form the shape of the octagon.
- The sum of the interior angles of an octagon is equal to 180 degrees.
Solving for an area of a regular octagon, we can make use of the formula shown below:
Area = 1/2 × apothem × perimeter
In this problem, the following values were given such as:
Apothem = 10 inches
Perimeter = 66.3 inches
Put the values in the formula
Area = 1/2 × 10 × 66.3
Area = 331.5 inches²
Learn more about area of the octagon
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