Register
Find the area of of a regular octagon with side length 20 cm.
217k views
0 votes
Find the area of of a regular octagon with side length 20 cm.

User Yinglin
by
4.1k points

1 Answer

4 votes

A=2(1+
√(2))a^2=2·(1+
√(2))·20^2≈1931.37085cm²

User Lugeno
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!