The four corners (like triangle SUE in the figure) that you cut off the square to turn it into an octagon are 45°- 45°- 90° triangles (you can prove that to yourself if you feel like it). So all you have to do to get the area of the octagon is to calculate the area of the square and then subtract the four corner triangles. Piece o’ cake.

How To Calculate Area of Octagon

Use this calculator to easily calculate the area of an octagon given the length of its side in any metric: mm, cm, meters, km, inches, feet, yards, miles.
If you know the length of the perimeter in a octagon and the apothem, you can calculate its area using the following formula: area = p ⋅ a 2 area = p ⋅ a 2.

Thus the area of the regular octagon is 8* = sq cm.
Jan 17, · Area of an Octagon Formula. An Octagon has eight sides and eight angles. All Lengths of all the sides and the measurement of all the angles in an Octagon are equal. The total number of diagonals present in an octagon is The sum of all interior angles is equal to degrees, with each interior.

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Geometry: Finding the Area Of a Regular Octagon (trigonometry)

Step 1: Enter the side length in the input field Step 2: Now click the button “Solve” to get the area Step 3: Finally, the area of octagon for the given side will be .: How to calculate the surface area of an octagon

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How to calculate the surface area of an octagon

How to calculate the surface area of an octagon

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Step 1: Enter the side length in the input field Step 2: Now click the button “Solve” to get the area Step 3: Finally, the area of octagon for the given side will be .

VIDEO

Surface Area Octagonal Prism

1 thoughts on “How to calculate the surface area of an octagon”

In my opinion you commit an error. I can prove it. Write to me in PM, we will talk.

In my opinion you commit an error. I can prove it. Write to me in PM, we will talk.