How to Use the Area of an Octagon Calculator? A regular octagon is a shape with 8 even sides and 8 internal angles of 135 degrees, adding up to a total of 1080 degrees. Area of Octagon Area of an Octagon Calculator is a free online tool that displays the area of octagon for the given side length. The formula for calculating the sum of interior angles is (n - 2) x 180. Required fields are marked *. Length of a side of an Octagon from its Area, Radius of an Octagon from its Side Length. The measurement unit for the area is square units. Calculations at a regular octagon, a polygon with 8 vertices. The diagonal calculation formula is n (n - 3) / 2. Octagon Calculator. The procedure to use the area of an octagon calculator is as follows: The calculator is easy to use. From there, you can determine the area of the large square by squaring it \(a^2(3+2\sqrt{2})\). If you label “a” as the length of one side of an octagon, then the sides of the large square are \(a\sqrt{2}+1\). a small machine that is used for mathematical calculations; Something used for making mathematical calculations, in particular a small electronic device with a keyboard and a visual display; an expert at calculation (or at operating calculating machines) Accurate to 1/16". Below are the practice problems for grade school students, on finding what is the area, side and perimeter of a octagon. • The outer angles of the octagon have a total degree of 360 °. Simply enter in the known values and the calculator will quickly give you the results you need. Very simple to use. INSTRUCTIONS: Choose preferred units and enter the following: AREA: The calculator returns the area in square meters. • The opposite sides of the regular octagon are parallel to each other. Step 3: Finally, the area of octagon for the given side will be displayed in the output field, In geometry, an octagon is a two-dimensional geometrical plane figure. It's written in HTML and Javascript. • The sum of the angles of the octagon is 1080 °. Find what is the area of octagon whose side is 18 inches? A regular octagon can be constructed as a quasiregular truncated square, which alternates two types of edges. = 2 x (1 + √2 ) x (10)² in² The Octagon Layout Calculator is a handy carpenter's tool for laying out a perfect octagon. What is the probability of 53 Mondays in a year? Steps to Find Area of a Octagon The step by step workout for how to find what is the area of a octagon. Octagon (Area, Perimeter & Side) Calculator getcalc.com's octagon calculator is an online basic geometry tool to calculate area, perimeter & side of a octagonal shaped polygon, in both US customary & metric (SI) units. Step 2: Now click the button “Solve” to get the area Suppose though that you don’t know the length of an edge, but you know the area. Area A = 482.8427 in². This free area calculator determines the area of a number of common shapes using both metric units and US customary units of length, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram. The area of a octagon is the area of the 4 small triangles (\(a^2\)) formed from the truncation of the square, subtracted from the area of the square (S). The formula for calculating the sum of interior angles is (n - 2) x 180. If all the sides of an octagon are equal, then it is called a regular octagon. What is a regular octagon? 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Insert this widget code anywhere inside the body tag. The Octagon Area equation(Aoct= 2(1 +√2) s2)computes the area of a regular Octagon given the length of sides (s). The diagonal calculation formula is n (n - 3) / 2. Calculate the area and perimeter of a regular octagon. Calculations at a regular octagon, a polygon with 8 vertices. Accurate to 1/16". • The octagon has 20 diagonals. Area of Octagon Calculator Octagon is an eight sided polygon. Here, The Octagon Layout Calculator is a handy carpenter's tool for laying out a perfect octagon. • The sum of the angles of the octagon is 1080 °. A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the basic operations of arithmetic. The step by step workout for how to find what is the area of a octagon. • The octagon has 20 diagonals. Also, explore the surface area or volume calculators, as well as hundreds of other math, finance, fitness, and health calculators. Area A = 2 (1 + √2 ) s² The octagon is made up of 8 triangles, so find the area of one triangle and multiply by 8. a = Length of the sides, Your email address will not be published. K-12 students may refer the below formulas to know what are all the input parameters are being used to find the area, perimeter & side of octagon. Area of an Octagon Calculator is a free online tool that displays the area of octagon for the given side length. Use the code as it is for proper working. Sorry, the comment form is closed at this time. Use it to calculate your gazebo layout. The perimeter is the easiest to calculate it’s just the sum of the lengths of all the sides. Your email address will not be published. Method 1: If you know the length of “H” as well as “B” the length of one of the 8 sides, then you can use this method. This form is familiar from being used as stop sign. Therefore, the perimeter, noted with a P is = 8a. Enter one value and choose the number of decimal places. The perimeter is determined by the formula: With numerous diagonals, the task of calculating the lengths may seem daunting. The formulas for calculating the lengths are actually quite easy to use. What is the area of octagon, if it has a side of 4 inches? You can notice that the circumradius is simply half of the length of the longest diagonal: R = f/2 = a / 2 * √(4 + 2√2) BYJU’S online area of an octagon calculator tool makes the calculation faster, and it shows the area of the octagon in a fraction of seconds.. How to Use the Area of an Octagon Calculator?