To find: The way to find the area of the regular octagon if only the distance is given from the centre of the figure of the vertex.
Answer to Problem 39HP
The area of the octagon is
Explanation of Solution
Calculation:
Consider that there is the regular octagon. The distance from the centre to the vertex is given as
The first step is to find the area of the
As the shape of the octagon and the vertex of the triangle is
Then, the area of the octagon is,
Thus, the area of the octagon is
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Geometry, Student Edition
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- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning