14.9k views
5 votes
Find the area of a regular octagon with an apothem of 8

1 Answer

3 votes

Answer:

308cm²

Explanation:

Assuming the given unit is in cm

The expression for the area of a regular Octagon is

A=2(1+√2)a²

Given the apothem a = 8cm

Substituting we have

A=2(1+√2)8²

A= 2(1+1.414)64

A= 2(2.414)64

A= 308cm²

User Yuval Karmi
by
6.2k points