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Find the area of a regular octagon with a side length of 12 cm. Round to the nearest tenth. 12 cm [ ? ] cm2
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4 votes
Find the area of a regular octagon with

a side length of 12 cm. Round to the
nearest tenth.
12 cm
[ ? ] cm2

User Chris Weber
by
7.9k points

2 Answers

3 votes
I believe the answe is A
User Peter DeGlopper
by
8.0k points
2 votes

Answer:

A= 695.3cm²

Explanation:

  • We khow that the area of anctagon is : A= 2(1+
    √(2))*a² with a the side
  • so A= 2(1+√2)*a² = 695.29= 695.3 cm²

User Qylin
by
8.3k points
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